1213953985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{773}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 1566328320

約数和(自身を除く): 352374335

約数列:

[1, 5, 19, 61, 95, 271, 305, 773, 1159, 1355, 3865, 5149, 5795, 14687, 16531, 25745, 47153, 73435, 82655, 209483, 235765, 314089, 895907, 1047415, 1570445, 3980177, 4479535, 12778463, 19900885, 63892315, 242790797, 1213953985]

約数ペア:

[(1, 1213953985), (5, 242790797), (19, 63892315), (61, 19900885), (95, 12778463), (271, 4479535), (305, 3980177), (773, 1570445), (1159, 1047415), (1355, 895907), (3865, 314089), (5149, 235765), (5795, 209483), (14687, 82655), (16531, 73435), (25745, 47153)]