31688748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{569}}^1$

素因数の和:616

約数の個数: 144

約数和(自身を含む): 104569920

約数和(自身を除く): 72881172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 17, 18, 21, 26, 28, 34, 36, 39, 42, 51, 52, 63, 68, 78, 84, 91, 102, 117, 119, 126, 153, 156, 182, 204, 221, 234, 238, 252, 273, 306, 357, 364, 442, 468, 476, 546, 569, 612, 663, 714, 819, 884, 1071, 1092, 1138, 1326, 1428, 1547, 1638, 1707, 1989, 2142, 2276, 2652, 3094, 3276, 3414, 3978, 3983, 4284, 4641, 5121, 6188, 6828, 7397, 7956, 7966, 9282, 9673, 10242, 11949, 13923, 14794, 15932, 18564, 19346, 20484, 22191, 23898, 27846, 29019, 29588, 35847, 38692, 44382, 47796, 51779, 55692, 58038, 66573, 67711, 71694, 87057, 88764, 103558, 116076, 125749, 133146, 135422, 143388, 155337, 174114, 203133, 207116, 251498, 266292, 270844, 310674, 348228, 377247, 406266, 466011, 502996, 609399, 621348, 754494, 812532, 880243, 932022, 1131741, 1218798, 1508988, 1760486, 1864044, 2263482, 2437596, 2640729, 3520972, 4526964, 5281458, 7922187, 10562916, 15844374, 31688748]

約数ペア:

[(1, 31688748), (2, 15844374), (3, 10562916), (4, 7922187), (6, 5281458), (7, 4526964), (9, 3520972), (12, 2640729), (13, 2437596), (14, 2263482), (17, 1864044), (18, 1760486), (21, 1508988), (26, 1218798), (28, 1131741), (34, 932022), (36, 880243), (39, 812532), (42, 754494), (51, 621348), (52, 609399), (63, 502996), (68, 466011), (78, 406266), (84, 377247), (91, 348228), (102, 310674), (117, 270844), (119, 266292), (126, 251498), (153, 207116), (156, 203133), (182, 174114), (204, 155337), (221, 143388), (234, 135422), (238, 133146), (252, 125749), (273, 116076), (306, 103558), (357, 88764), (364, 87057), (442, 71694), (468, 67711), (476, 66573), (546, 58038), (569, 55692), (612, 51779), (663, 47796), (714, 44382), (819, 38692), (884, 35847), (1071, 29588), (1092, 29019), (1138, 27846), (1326, 23898), (1428, 22191), (1547, 20484), (1638, 19346), (1707, 18564), (1989, 15932), (2142, 14794), (2276, 13923), (2652, 11949), (3094, 10242), (3276, 9673), (3414, 9282), (3978, 7966), (3983, 7956), (4284, 7397), (4641, 6828), (5121, 6188)]