61391278

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 106725600

約数和(自身を除く): 45334322

約数列:

[1, 2, 13, 23, 26, 46, 53, 106, 149, 169, 298, 299, 338, 598, 689, 1219, 1378, 1937, 2438, 3427, 3874, 3887, 6854, 7774, 7897, 8957, 15794, 15847, 17914, 25181, 31694, 44551, 50362, 89102, 102661, 181631, 205322, 206011, 363262, 412022, 579163, 1158326, 1334593, 2361203, 2669186, 4722406, 30695639, 61391278]

約数ペア:

[(1, 61391278), (2, 30695639), (13, 4722406), (23, 2669186), (26, 2361203), (46, 1334593), (53, 1158326), (106, 579163), (149, 412022), (169, 363262), (298, 206011), (299, 205322), (338, 181631), (598, 102661), (689, 89102), (1219, 50362), (1378, 44551), (1937, 31694), (2438, 25181), (3427, 17914), (3874, 15847), (3887, 15794), (6854, 8957), (7774, 7897)]