40491556

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 83383552

約数和(自身を除く): 42891996

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 151, 157, 244, 302, 314, 427, 604, 628, 854, 1057, 1099, 1708, 2114, 2198, 4228, 4396, 9211, 9577, 18422, 19154, 23707, 36844, 38308, 47414, 64477, 67039, 94828, 128954, 134078, 165949, 257908, 268156, 331898, 663796, 1446127, 2892254, 5784508, 10122889, 20245778, 40491556]

約数ペア:

[(1, 40491556), (2, 20245778), (4, 10122889), (7, 5784508), (14, 2892254), (28, 1446127), (61, 663796), (122, 331898), (151, 268156), (157, 257908), (244, 165949), (302, 134078), (314, 128954), (427, 94828), (604, 67039), (628, 64477), (854, 47414), (1057, 38308), (1099, 36844), (1708, 23707), (2114, 19154), (2198, 18422), (4228, 9577), (4396, 9211)]