399277788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{365639}}^1$

素因数の和:365666

約数の個数: 48

約数和(自身を含む): 1146647040

約数和(自身を除く): 747369252

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 365639, 731278, 1096917, 1462556, 2193834, 2559473, 4387668, 4753307, 5118946, 7678419, 9506614, 10237892, 14259921, 15356838, 19013228, 28519842, 30713676, 33273149, 57039684, 66546298, 99819447, 133092596, 199638894, 399277788]

約数ペア:

[(1, 399277788), (2, 199638894), (3, 133092596), (4, 99819447), (6, 66546298), (7, 57039684), (12, 33273149), (13, 30713676), (14, 28519842), (21, 19013228), (26, 15356838), (28, 14259921), (39, 10237892), (42, 9506614), (52, 7678419), (78, 5118946), (84, 4753307), (91, 4387668), (156, 2559473), (182, 2193834), (273, 1462556), (364, 1096917), (546, 731278), (1092, 365639)]