2639238

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 6303744

約数和(自身を除く): 3664506

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 49, 94, 98, 141, 147, 191, 282, 294, 329, 382, 573, 658, 987, 1146, 1337, 1974, 2303, 2674, 4011, 4606, 6909, 8022, 8977, 9359, 13818, 17954, 18718, 26931, 28077, 53862, 56154, 62839, 125678, 188517, 377034, 439873, 879746, 1319619, 2639238]

約数ペア:

[(1, 2639238), (2, 1319619), (3, 879746), (6, 439873), (7, 377034), (14, 188517), (21, 125678), (42, 62839), (47, 56154), (49, 53862), (94, 28077), (98, 26931), (141, 18718), (147, 17954), (191, 13818), (282, 9359), (294, 8977), (329, 8022), (382, 6909), (573, 4606), (658, 4011), (987, 2674), (1146, 2303), (1337, 1974)]