80977138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 135805248

約数和(自身を除く): 54828110

約数列:

[1, 2, 11, 22, 67, 134, 137, 274, 401, 737, 802, 1474, 1507, 3014, 4411, 8822, 9179, 18358, 26867, 53734, 54937, 100969, 109874, 201938, 295537, 591074, 604307, 1208614, 3680779, 7361558, 40488569, 80977138]

約数ペア:

[(1, 80977138), (2, 40488569), (11, 7361558), (22, 3680779), (67, 1208614), (134, 604307), (137, 591074), (274, 295537), (401, 201938), (737, 109874), (802, 100969), (1474, 54937), (1507, 53734), (3014, 26867), (4411, 18358), (8822, 9179)]