1861125136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{953}}^1$

素因数の和:1244

約数の個数: 80

約数和(自身を含む): 3999587760

約数和(自身を除く): 2138462624

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 229, 328, 458, 533, 656, 916, 953, 1066, 1832, 1906, 2132, 2977, 3664, 3812, 4264, 5954, 7624, 8528, 9389, 11908, 12389, 15248, 18778, 23816, 24778, 37556, 39073, 47632, 49556, 75112, 78146, 99112, 122057, 150224, 156292, 198224, 218237, 244114, 312584, 436474, 488228, 507949, 625168, 872948, 976456, 1015898, 1745896, 1952912, 2031796, 2837081, 3491792, 4063592, 5674162, 8127184, 8947717, 11348324, 17895434, 22696648, 35790868, 45393296, 71581736, 116320321, 143163472, 232640642, 465281284, 930562568, 1861125136]

約数ペア:

[(1, 1861125136), (2, 930562568), (4, 465281284), (8, 232640642), (13, 143163472), (16, 116320321), (26, 71581736), (41, 45393296), (52, 35790868), (82, 22696648), (104, 17895434), (164, 11348324), (208, 8947717), (229, 8127184), (328, 5674162), (458, 4063592), (533, 3491792), (656, 2837081), (916, 2031796), (953, 1952912), (1066, 1745896), (1832, 1015898), (1906, 976456), (2132, 872948), (2977, 625168), (3664, 507949), (3812, 488228), (4264, 436474), (5954, 312584), (7624, 244114), (8528, 218237), (9389, 198224), (11908, 156292), (12389, 150224), (15248, 122057), (18778, 99112), (23816, 78146), (24778, 75112), (37556, 49556), (39073, 47632)]