2656428

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 6666240

約数和(自身を除く): 4009812

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 61, 76, 114, 122, 183, 191, 228, 244, 366, 382, 573, 732, 764, 1146, 1159, 2292, 2318, 3477, 3629, 4636, 6954, 7258, 10887, 11651, 13908, 14516, 21774, 23302, 34953, 43548, 46604, 69906, 139812, 221369, 442738, 664107, 885476, 1328214, 2656428]

約数ペア:

[(1, 2656428), (2, 1328214), (3, 885476), (4, 664107), (6, 442738), (12, 221369), (19, 139812), (38, 69906), (57, 46604), (61, 43548), (76, 34953), (114, 23302), (122, 21774), (183, 14516), (191, 13908), (228, 11651), (244, 10887), (366, 7258), (382, 6954), (573, 4636), (732, 3629), (764, 3477), (1146, 2318), (1159, 2292)]