388906986

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:583

約数の個数: 64

約数和(自身を含む): 853776000

約数和(自身を除く): 464869014

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 149, 218, 298, 307, 327, 447, 614, 654, 894, 921, 1417, 1842, 1937, 2834, 3874, 3991, 4251, 5811, 7982, 8502, 11622, 11973, 16241, 23946, 32482, 33463, 45743, 48723, 66926, 91486, 97446, 100389, 137229, 200778, 211133, 274458, 422266, 435019, 594659, 633399, 870038, 1189318, 1266798, 1305057, 1783977, 2610114, 3567954, 4985987, 9971974, 14957961, 29915922, 64817831, 129635662, 194453493, 388906986]

約数ペア:

[(1, 388906986), (2, 194453493), (3, 129635662), (6, 64817831), (13, 29915922), (26, 14957961), (39, 9971974), (78, 4985987), (109, 3567954), (149, 2610114), (218, 1783977), (298, 1305057), (307, 1266798), (327, 1189318), (447, 870038), (614, 633399), (654, 594659), (894, 435019), (921, 422266), (1417, 274458), (1842, 211133), (1937, 200778), (2834, 137229), (3874, 100389), (3991, 97446), (4251, 91486), (5811, 66926), (7982, 48723), (8502, 45743), (11622, 33463), (11973, 32482), (16241, 23946)]