1640986468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{5821}}^1$

素因数の和:6028

約数の個数: 48

約数和(自身を含む): 3227716800

約数和(自身を除く): 1586730332

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 149, 172, 298, 473, 596, 946, 1639, 1892, 3278, 5821, 6407, 6556, 11642, 12814, 23284, 25628, 64031, 70477, 128062, 140954, 250303, 256124, 281908, 500606, 867329, 1001212, 1734658, 2753333, 3469316, 5506666, 9540619, 11013332, 19081238, 37295147, 38162476, 74590294, 149180588, 410246617, 820493234, 1640986468]

約数ペア:

[(1, 1640986468), (2, 820493234), (4, 410246617), (11, 149180588), (22, 74590294), (43, 38162476), (44, 37295147), (86, 19081238), (149, 11013332), (172, 9540619), (298, 5506666), (473, 3469316), (596, 2753333), (946, 1734658), (1639, 1001212), (1892, 867329), (3278, 500606), (5821, 281908), (6407, 256124), (6556, 250303), (11642, 140954), (12814, 128062), (23284, 70477), (25628, 64031)]