685876736

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:675

約数の個数: 80

約数和(自身を含む): 1435146240

約数和(自身を除く): 749269504

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 124, 128, 158, 248, 256, 316, 496, 512, 547, 632, 992, 1094, 1264, 1984, 2188, 2449, 2528, 3968, 4376, 4898, 5056, 7936, 8752, 9796, 10112, 15872, 16957, 17504, 19592, 20224, 33914, 35008, 39184, 40448, 43213, 67828, 70016, 78368, 86426, 135656, 140032, 156736, 172852, 271312, 280064, 313472, 345704, 542624, 626944, 691408, 1085248, 1253888, 1339603, 1382816, 2170496, 2679206, 2765632, 4340992, 5358412, 5531264, 8681984, 10716824, 11062528, 21433648, 22125056, 42867296, 85734592, 171469184, 342938368, 685876736]

約数ペア:

[(1, 685876736), (2, 342938368), (4, 171469184), (8, 85734592), (16, 42867296), (31, 22125056), (32, 21433648), (62, 11062528), (64, 10716824), (79, 8681984), (124, 5531264), (128, 5358412), (158, 4340992), (248, 2765632), (256, 2679206), (316, 2170496), (496, 1382816), (512, 1339603), (547, 1253888), (632, 1085248), (992, 691408), (1094, 626944), (1264, 542624), (1984, 345704), (2188, 313472), (2449, 280064), (2528, 271312), (3968, 172852), (4376, 156736), (4898, 140032), (5056, 135656), (7936, 86426), (8752, 78368), (9796, 70016), (10112, 67828), (15872, 43213), (16957, 40448), (17504, 39184), (19592, 35008), (20224, 33914)]