247996964

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 455970816

約数和(自身を除く): 207973852

約数列:

[1, 2, 4, 53, 61, 106, 122, 127, 151, 212, 244, 254, 302, 508, 604, 3233, 6466, 6731, 7747, 8003, 9211, 12932, 13462, 15494, 16006, 18422, 19177, 26924, 30988, 32012, 36844, 38354, 76708, 410591, 488183, 821182, 976366, 1016381, 1169797, 1642364, 1952732, 2032762, 2339594, 4065524, 4679188, 61999241, 123998482, 247996964]

約数ペア:

[(1, 247996964), (2, 123998482), (4, 61999241), (53, 4679188), (61, 4065524), (106, 2339594), (122, 2032762), (127, 1952732), (151, 1642364), (212, 1169797), (244, 1016381), (254, 976366), (302, 821182), (508, 488183), (604, 410591), (3233, 76708), (6466, 38354), (6731, 36844), (7747, 32012), (8003, 30988), (9211, 26924), (12932, 19177), (13462, 18422), (15494, 16006)]