221258464

素因数分解:

$2^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18637}}^1$

素因数の和:18707

約数の個数: 48

約数和(自身を含む): 507251808

約数和(自身を除く): 285993344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 106, 112, 212, 224, 371, 424, 742, 848, 1484, 1696, 2968, 5936, 11872, 18637, 37274, 74548, 130459, 149096, 260918, 298192, 521836, 596384, 987761, 1043672, 1975522, 2087344, 3951044, 4174688, 6914327, 7902088, 13828654, 15804176, 27657308, 31608352, 55314616, 110629232, 221258464]

約数ペア:

[(1, 221258464), (2, 110629232), (4, 55314616), (7, 31608352), (8, 27657308), (14, 15804176), (16, 13828654), (28, 7902088), (32, 6914327), (53, 4174688), (56, 3951044), (106, 2087344), (112, 1975522), (212, 1043672), (224, 987761), (371, 596384), (424, 521836), (742, 298192), (848, 260918), (1484, 149096), (1696, 130459), (2968, 74548), (5936, 37274), (11872, 18637)]