77974858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1087}}^1$

素因数の和:1222

約数の個数: 32

約数和(自身を含む): 131604480

約数和(自身を除く): 53629622

約数列:

[1, 2, 13, 26, 31, 62, 89, 178, 403, 806, 1087, 1157, 2174, 2314, 2759, 5518, 14131, 28262, 33697, 35867, 67394, 71734, 96743, 193486, 438061, 876122, 1257659, 2515318, 2999033, 5998066, 38987429, 77974858]

約数ペア:

[(1, 77974858), (2, 38987429), (13, 5998066), (26, 2999033), (31, 2515318), (62, 1257659), (89, 876122), (178, 438061), (403, 193486), (806, 96743), (1087, 71734), (1157, 67394), (2174, 35867), (2314, 33697), (2759, 28262), (5518, 14131)]