66764672

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{40123}}^1$

素因数の和:40150

約数の個数: 32

約数和(自身を含む): 143242680

約数和(自身を除く): 76478008

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 40123, 80246, 160492, 320984, 521599, 641968, 1043198, 1283936, 2086396, 2567872, 4172792, 5135744, 8345584, 16691168, 33382336, 66764672]

約数ペア:

[(1, 66764672), (2, 33382336), (4, 16691168), (8, 8345584), (13, 5135744), (16, 4172792), (26, 2567872), (32, 2086396), (52, 1283936), (64, 1043198), (104, 641968), (128, 521599), (208, 320984), (416, 160492), (832, 80246), (1664, 40123)]