71257406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:848

約数の個数: 32

約数和(自身を含む): 121291776

約数和(自身を除く): 50034370

約数列:

[1, 2, 11, 22, 31, 62, 163, 326, 341, 641, 682, 1282, 1793, 3586, 5053, 7051, 10106, 14102, 19871, 39742, 55583, 104483, 111166, 208966, 218581, 437162, 1149313, 2298626, 3238973, 6477946, 35628703, 71257406]

約数ペア:

[(1, 71257406), (2, 35628703), (11, 6477946), (22, 3238973), (31, 2298626), (62, 1149313), (163, 437162), (326, 218581), (341, 208966), (641, 111166), (682, 104483), (1282, 55583), (1793, 39742), (3586, 19871), (5053, 14102), (7051, 10106)]