278328414

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6983}}^1$

素因数の和:7081

約数の個数: 64

約数和(自身を含む): 694600704

約数和(自身を除く): 416272290

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 73, 78, 91, 146, 182, 219, 273, 438, 511, 546, 949, 1022, 1533, 1898, 2847, 3066, 5694, 6643, 6983, 13286, 13966, 19929, 20949, 39858, 41898, 48881, 90779, 97762, 146643, 181558, 272337, 293286, 509759, 544674, 635453, 1019518, 1270906, 1529277, 1906359, 3058554, 3568313, 3812718, 6626867, 7136626, 10704939, 13253734, 19880601, 21409878, 39761202, 46388069, 92776138, 139164207, 278328414]

約数ペア:

[(1, 278328414), (2, 139164207), (3, 92776138), (6, 46388069), (7, 39761202), (13, 21409878), (14, 19880601), (21, 13253734), (26, 10704939), (39, 7136626), (42, 6626867), (73, 3812718), (78, 3568313), (91, 3058554), (146, 1906359), (182, 1529277), (219, 1270906), (273, 1019518), (438, 635453), (511, 544674), (546, 509759), (949, 293286), (1022, 272337), (1533, 181558), (1898, 146643), (2847, 97762), (3066, 90779), (5694, 48881), (6643, 41898), (6983, 39858), (13286, 20949), (13966, 19929)]