128028474

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{379}}^1\times {\mathrm{383}}^1$

素因数の和:784

約数の個数: 72

約数和(自身を含む): 324380160

約数和(自身を除く): 196351686

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 379, 383, 441, 758, 766, 882, 1137, 1149, 2274, 2298, 2653, 2681, 3411, 3447, 5306, 5362, 6822, 6894, 7959, 8043, 15918, 16086, 18571, 18767, 23877, 24129, 37142, 37534, 47754, 48258, 55713, 56301, 111426, 112602, 145157, 167139, 168903, 290314, 334278, 337806, 435471, 870942, 1016099, 1306413, 2032198, 2612826, 3048297, 6096594, 7112693, 9144891, 14225386, 18289782, 21338079, 42676158, 64014237, 128028474]

約数ペア:

[(1, 128028474), (2, 64014237), (3, 42676158), (6, 21338079), (7, 18289782), (9, 14225386), (14, 9144891), (18, 7112693), (21, 6096594), (42, 3048297), (49, 2612826), (63, 2032198), (98, 1306413), (126, 1016099), (147, 870942), (294, 435471), (379, 337806), (383, 334278), (441, 290314), (758, 168903), (766, 167139), (882, 145157), (1137, 112602), (1149, 111426), (2274, 56301), (2298, 55713), (2653, 48258), (2681, 47754), (3411, 37534), (3447, 37142), (5306, 24129), (5362, 23877), (6822, 18767), (6894, 18571), (7959, 16086), (8043, 15918)]