647531488

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{4621}}^1$

素因数の和:4811

約数の個数: 48

約数和(自身を含む): 1327808160

約数和(自身を除く): 680276672

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 151, 232, 302, 464, 604, 928, 1208, 2416, 4379, 4621, 4832, 8758, 9242, 17516, 18484, 35032, 36968, 70064, 73936, 134009, 140128, 147872, 268018, 536036, 697771, 1072072, 1395542, 2144144, 2791084, 4288288, 5582168, 11164336, 20235359, 22328672, 40470718, 80941436, 161882872, 323765744, 647531488]

約数ペア:

[(1, 647531488), (2, 323765744), (4, 161882872), (8, 80941436), (16, 40470718), (29, 22328672), (32, 20235359), (58, 11164336), (116, 5582168), (151, 4288288), (232, 2791084), (302, 2144144), (464, 1395542), (604, 1072072), (928, 697771), (1208, 536036), (2416, 268018), (4379, 147872), (4621, 140128), (4832, 134009), (8758, 73936), (9242, 70064), (17516, 36968), (18484, 35032)]