621776768

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3617}}^1$

素因数の和:3727

約数の個数: 64

約数和(自身を含む): 1328529600

約数和(自身を除く): 706752832

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 79, 128, 136, 158, 272, 316, 544, 632, 1088, 1264, 1343, 2176, 2528, 2686, 3617, 5056, 5372, 7234, 10112, 10744, 14468, 21488, 28936, 42976, 57872, 61489, 85952, 115744, 122978, 171904, 231488, 245956, 285743, 462976, 491912, 571486, 983824, 1142972, 1967648, 2285944, 3935296, 4571888, 4857631, 7870592, 9143776, 9715262, 18287552, 19430524, 36575104, 38861048, 77722096, 155444192, 310888384, 621776768]

約数ペア:

[(1, 621776768), (2, 310888384), (4, 155444192), (8, 77722096), (16, 38861048), (17, 36575104), (32, 19430524), (34, 18287552), (64, 9715262), (68, 9143776), (79, 7870592), (128, 4857631), (136, 4571888), (158, 3935296), (272, 2285944), (316, 1967648), (544, 1142972), (632, 983824), (1088, 571486), (1264, 491912), (1343, 462976), (2176, 285743), (2528, 245956), (2686, 231488), (3617, 171904), (5056, 122978), (5372, 115744), (7234, 85952), (10112, 61489), (10744, 57872), (14468, 42976), (21488, 28936)]