669782528

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2221}}^1$

素因数の和:2289

約数の個数: 80

約数和(自身を含む): 1454787840

約数和(自身を除く): 785005312

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 304, 496, 512, 589, 608, 992, 1178, 1216, 1984, 2221, 2356, 2432, 3968, 4442, 4712, 4864, 7936, 8884, 9424, 9728, 15872, 17768, 18848, 35536, 37696, 42199, 68851, 71072, 75392, 84398, 137702, 142144, 150784, 168796, 275404, 284288, 301568, 337592, 550808, 568576, 675184, 1101616, 1137152, 1308169, 1350368, 2203232, 2616338, 2700736, 4406464, 5232676, 5401472, 8812928, 10465352, 10802944, 17625856, 20930704, 21605888, 35251712, 41861408, 83722816, 167445632, 334891264, 669782528]

約数ペア:

[(1, 669782528), (2, 334891264), (4, 167445632), (8, 83722816), (16, 41861408), (19, 35251712), (31, 21605888), (32, 20930704), (38, 17625856), (62, 10802944), (64, 10465352), (76, 8812928), (124, 5401472), (128, 5232676), (152, 4406464), (248, 2700736), (256, 2616338), (304, 2203232), (496, 1350368), (512, 1308169), (589, 1137152), (608, 1101616), (992, 675184), (1178, 568576), (1216, 550808), (1984, 337592), (2221, 301568), (2356, 284288), (2432, 275404), (3968, 168796), (4442, 150784), (4712, 142144), (4864, 137702), (7936, 84398), (8884, 75392), (9424, 71072), (9728, 68851), (15872, 42199), (17768, 37696), (18848, 35536)]