312738972

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:448

約数の個数: 144

約数和(自身を含む): 923432832

約数和(自身を除く): 610693860

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 163, 182, 196, 251, 273, 294, 326, 364, 489, 502, 546, 588, 637, 652, 753, 978, 1004, 1092, 1141, 1274, 1506, 1757, 1911, 1956, 2119, 2282, 2548, 3012, 3263, 3423, 3514, 3822, 4238, 4564, 5271, 6357, 6526, 6846, 7028, 7644, 7987, 8476, 9789, 10542, 12299, 12714, 13052, 13692, 14833, 15974, 19578, 21084, 22841, 23961, 24598, 25428, 29666, 31948, 36897, 39156, 40913, 44499, 45682, 47922, 49196, 59332, 68523, 73794, 81826, 88998, 91364, 95844, 103831, 122739, 137046, 147588, 159887, 163652, 177996, 207662, 245478, 274092, 286391, 311493, 319774, 415324, 479661, 490956, 531869, 572782, 622986, 639548, 859173, 959322, 1063738, 1145564, 1245972, 1595607, 1718346, 1918644, 2004737, 2127476, 3191214, 3436692, 3723083, 4009474, 6014211, 6382428, 7446166, 8018948, 11169249, 12028422, 14892332, 22338498, 24056844, 26061581, 44676996, 52123162, 78184743, 104246324, 156369486, 312738972]

約数ペア:

[(1, 312738972), (2, 156369486), (3, 104246324), (4, 78184743), (6, 52123162), (7, 44676996), (12, 26061581), (13, 24056844), (14, 22338498), (21, 14892332), (26, 12028422), (28, 11169249), (39, 8018948), (42, 7446166), (49, 6382428), (52, 6014211), (78, 4009474), (84, 3723083), (91, 3436692), (98, 3191214), (147, 2127476), (156, 2004737), (163, 1918644), (182, 1718346), (196, 1595607), (251, 1245972), (273, 1145564), (294, 1063738), (326, 959322), (364, 859173), (489, 639548), (502, 622986), (546, 572782), (588, 531869), (637, 490956), (652, 479661), (753, 415324), (978, 319774), (1004, 311493), (1092, 286391), (1141, 274092), (1274, 245478), (1506, 207662), (1757, 177996), (1911, 163652), (1956, 159887), (2119, 147588), (2282, 137046), (2548, 122739), (3012, 103831), (3263, 95844), (3423, 91364), (3514, 88998), (3822, 81826), (4238, 73794), (4564, 68523), (5271, 59332), (6357, 49196), (6526, 47922), (6846, 45682), (7028, 44499), (7644, 40913), (7987, 39156), (8476, 36897), (9789, 31948), (10542, 29666), (12299, 25428), (12714, 24598), (13052, 23961), (13692, 22841), (14833, 21084), (15974, 19578)]