64889344

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{9749}}^1$

素因数の和:9780

約数の個数: 40

約数和(自身を含む): 139639500

約数和(自身を除く): 74750156

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 9749, 19498, 38996, 77992, 126737, 155984, 253474, 311968, 506948, 623936, 1013896, 1247872, 2027792, 2495744, 4055584, 4991488, 8111168, 16222336, 32444672, 64889344]

約数ペア:

[(1, 64889344), (2, 32444672), (4, 16222336), (8, 8111168), (13, 4991488), (16, 4055584), (26, 2495744), (32, 2027792), (52, 1247872), (64, 1013896), (104, 623936), (128, 506948), (208, 311968), (256, 253474), (416, 155984), (512, 126737), (832, 77992), (1664, 38996), (3328, 19498), (6656, 9749)]