31991076

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4021}}^1$

素因数の和:4061

約数の個数: 72

約数和(自身を含む): 92232504

約数和(自身を除く): 60241428

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3978, 4021, 7956, 8042, 12063, 16084, 24126, 36189, 48252, 52273, 68357, 72378, 104546, 136714, 144756, 156819, 205071, 209092, 273428, 313638, 410142, 470457, 615213, 627276, 820284, 888641, 940914, 1230426, 1777282, 1881828, 2460852, 2665923, 3554564, 5331846, 7997769, 10663692, 15995538, 31991076]

約数ペア:

[(1, 31991076), (2, 15995538), (3, 10663692), (4, 7997769), (6, 5331846), (9, 3554564), (12, 2665923), (13, 2460852), (17, 1881828), (18, 1777282), (26, 1230426), (34, 940914), (36, 888641), (39, 820284), (51, 627276), (52, 615213), (68, 470457), (78, 410142), (102, 313638), (117, 273428), (153, 209092), (156, 205071), (204, 156819), (221, 144756), (234, 136714), (306, 104546), (442, 72378), (468, 68357), (612, 52273), (663, 48252), (884, 36189), (1326, 24126), (1989, 16084), (2652, 12063), (3978, 8042), (4021, 7956)]