221421464

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{523}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 482163840

約数和(自身を除く): 260742376

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 283, 374, 523, 566, 748, 1046, 1132, 1496, 2092, 2264, 3113, 4184, 4811, 5753, 6226, 8891, 9622, 11506, 12452, 17782, 19244, 23012, 24904, 35564, 38488, 46024, 52921, 71128, 97801, 105842, 148009, 195602, 211684, 296018, 391204, 423368, 592036, 782408, 1184072, 1628099, 2516153, 3256198, 5032306, 6512396, 10064612, 13024792, 20129224, 27677683, 55355366, 110710732, 221421464]

約数ペア:

[(1, 221421464), (2, 110710732), (4, 55355366), (8, 27677683), (11, 20129224), (17, 13024792), (22, 10064612), (34, 6512396), (44, 5032306), (68, 3256198), (88, 2516153), (136, 1628099), (187, 1184072), (283, 782408), (374, 592036), (523, 423368), (566, 391204), (748, 296018), (1046, 211684), (1132, 195602), (1496, 148009), (2092, 105842), (2264, 97801), (3113, 71128), (4184, 52921), (4811, 46024), (5753, 38488), (6226, 35564), (8891, 24904), (9622, 23012), (11506, 19244), (12452, 17782)]