64840688

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{601}}^1\times {\mathrm{613}}^1$

素因数の和:1233

約数の個数: 40

約数和(自身を含む): 137501616

約数和(自身を除く): 72660928

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 601, 613, 1202, 1226, 2404, 2452, 4808, 4904, 6611, 6743, 9616, 9808, 13222, 13486, 26444, 26972, 52888, 53944, 105776, 107888, 368413, 736826, 1473652, 2947304, 4052543, 5894608, 8105086, 16210172, 32420344, 64840688]

約数ペア:

[(1, 64840688), (2, 32420344), (4, 16210172), (8, 8105086), (11, 5894608), (16, 4052543), (22, 2947304), (44, 1473652), (88, 736826), (176, 368413), (601, 107888), (613, 105776), (1202, 53944), (1226, 52888), (2404, 26972), (2452, 26444), (4808, 13486), (4904, 13222), (6611, 9808), (6743, 9616)]