81108352

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:723

約数の個数: 64

約数和(自身を含む): 176500800

約数和(自身を除く): 95392448

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 128, 158, 208, 316, 416, 617, 632, 832, 1027, 1234, 1264, 1664, 2054, 2468, 2528, 4108, 4936, 5056, 8021, 8216, 9872, 10112, 16042, 16432, 19744, 32084, 32864, 39488, 48743, 64168, 65728, 78976, 97486, 128336, 131456, 194972, 256672, 389944, 513344, 633659, 779888, 1026688, 1267318, 1559776, 2534636, 3119552, 5069272, 6239104, 10138544, 20277088, 40554176, 81108352]

約数ペア:

[(1, 81108352), (2, 40554176), (4, 20277088), (8, 10138544), (13, 6239104), (16, 5069272), (26, 3119552), (32, 2534636), (52, 1559776), (64, 1267318), (79, 1026688), (104, 779888), (128, 633659), (158, 513344), (208, 389944), (316, 256672), (416, 194972), (617, 131456), (632, 128336), (832, 97486), (1027, 78976), (1234, 65728), (1264, 64168), (1664, 48743), (2054, 39488), (2468, 32864), (2528, 32084), (4108, 19744), (4936, 16432), (5056, 16042), (8021, 10112), (8216, 9872)]