857557428

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2609}}^1$

素因数の和:2686

約数の個数: 144

約数和(自身を含む): 2565984960

約数和(自身を除く): 1708427532

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 43, 49, 52, 78, 84, 86, 91, 98, 129, 147, 156, 172, 182, 196, 258, 273, 294, 301, 364, 516, 546, 559, 588, 602, 637, 903, 1092, 1118, 1204, 1274, 1677, 1806, 1911, 2107, 2236, 2548, 2609, 3354, 3612, 3822, 3913, 4214, 5218, 6321, 6708, 7644, 7826, 7827, 8428, 10436, 11739, 12642, 15652, 15654, 18263, 23478, 25284, 27391, 31308, 33917, 36526, 46956, 54782, 54789, 67834, 73052, 82173, 101751, 109564, 109578, 112187, 127841, 135668, 164346, 203502, 219156, 224374, 237419, 255682, 328692, 336561, 383523, 407004, 448748, 474838, 511364, 673122, 712257, 767046, 785309, 949676, 1346244, 1424514, 1458431, 1534092, 1570618, 1661933, 2355927, 2849028, 2916862, 3141236, 3323866, 4375293, 4711854, 4985799, 5497163, 5833724, 6647732, 8750586, 9423708, 9971598, 10209017, 10994326, 16491489, 17501172, 19943196, 20418034, 21988652, 30627051, 32982978, 40836068, 61254102, 65965956, 71463119, 122508204, 142926238, 214389357, 285852476, 428778714, 857557428]

約数ペア:

[(1, 857557428), (2, 428778714), (3, 285852476), (4, 214389357), (6, 142926238), (7, 122508204), (12, 71463119), (13, 65965956), (14, 61254102), (21, 40836068), (26, 32982978), (28, 30627051), (39, 21988652), (42, 20418034), (43, 19943196), (49, 17501172), (52, 16491489), (78, 10994326), (84, 10209017), (86, 9971598), (91, 9423708), (98, 8750586), (129, 6647732), (147, 5833724), (156, 5497163), (172, 4985799), (182, 4711854), (196, 4375293), (258, 3323866), (273, 3141236), (294, 2916862), (301, 2849028), (364, 2355927), (516, 1661933), (546, 1570618), (559, 1534092), (588, 1458431), (602, 1424514), (637, 1346244), (903, 949676), (1092, 785309), (1118, 767046), (1204, 712257), (1274, 673122), (1677, 511364), (1806, 474838), (1911, 448748), (2107, 407004), (2236, 383523), (2548, 336561), (2609, 328692), (3354, 255682), (3612, 237419), (3822, 224374), (3913, 219156), (4214, 203502), (5218, 164346), (6321, 135668), (6708, 127841), (7644, 112187), (7826, 109578), (7827, 109564), (8428, 101751), (10436, 82173), (11739, 73052), (12642, 67834), (15652, 54789), (15654, 54782), (18263, 46956), (23478, 36526), (25284, 33917), (27391, 31308)]