689033984

素因数分解:

$2^8\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 1409280768

約数和(自身を除く): 720246784

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 167, 227, 256, 284, 334, 454, 568, 668, 908, 1136, 1336, 1816, 2272, 2672, 3632, 4544, 5344, 7264, 9088, 10688, 11857, 14528, 16117, 18176, 21376, 23714, 29056, 32234, 37909, 42752, 47428, 58112, 64468, 75818, 94856, 128936, 151636, 189712, 257872, 303272, 379424, 515744, 606544, 758848, 1031488, 1213088, 1517696, 2062976, 2426176, 2691539, 3035392, 4125952, 4852352, 5383078, 9704704, 10766156, 21532312, 43064624, 86129248, 172258496, 344516992, 689033984]

約数ペア:

[(1, 689033984), (2, 344516992), (4, 172258496), (8, 86129248), (16, 43064624), (32, 21532312), (64, 10766156), (71, 9704704), (128, 5383078), (142, 4852352), (167, 4125952), (227, 3035392), (256, 2691539), (284, 2426176), (334, 2062976), (454, 1517696), (568, 1213088), (668, 1031488), (908, 758848), (1136, 606544), (1336, 515744), (1816, 379424), (2272, 303272), (2672, 257872), (3632, 189712), (4544, 151636), (5344, 128936), (7264, 94856), (9088, 75818), (10688, 64468), (11857, 58112), (14528, 47428), (16117, 42752), (18176, 37909), (21376, 32234), (23714, 29056)]