388188894

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 827988480

約数和(自身を除く): 439799586

約数列:

[1, 2, 3, 6, 23, 46, 69, 109, 131, 138, 197, 218, 262, 327, 393, 394, 591, 654, 786, 1182, 2507, 3013, 4531, 5014, 6026, 7521, 9039, 9062, 13593, 14279, 15042, 18078, 21473, 25807, 27186, 28558, 42837, 42946, 51614, 64419, 77421, 85674, 128838, 154842, 328417, 493879, 593561, 656834, 985251, 987758, 1187122, 1481637, 1780683, 1970502, 2812963, 2963274, 3561366, 5625926, 8438889, 16877778, 64698149, 129396298, 194094447, 388188894]

約数ペア:

[(1, 388188894), (2, 194094447), (3, 129396298), (6, 64698149), (23, 16877778), (46, 8438889), (69, 5625926), (109, 3561366), (131, 2963274), (138, 2812963), (197, 1970502), (218, 1780683), (262, 1481637), (327, 1187122), (393, 987758), (394, 985251), (591, 656834), (654, 593561), (786, 493879), (1182, 328417), (2507, 154842), (3013, 128838), (4531, 85674), (5014, 77421), (6026, 64419), (7521, 51614), (9039, 42946), (9062, 42837), (13593, 28558), (14279, 27186), (15042, 25807), (18078, 21473)]