218960049

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 379975680

約数和(自身を除く): 161015631

約数列:

[1, 3, 7, 11, 21, 33, 41, 61, 77, 123, 183, 231, 287, 379, 427, 451, 671, 861, 1137, 1281, 1353, 2013, 2501, 2653, 3157, 4169, 4697, 7503, 7959, 9471, 12507, 14091, 15539, 17507, 23119, 27511, 29183, 46617, 52521, 69357, 82533, 87549, 108773, 161833, 170929, 192577, 254309, 326319, 485499, 512787, 577731, 762927, 947879, 1196503, 1780163, 2843637, 3589509, 5340489, 6635153, 10426669, 19905459, 31280007, 72986683, 218960049]

約数ペア:

[(1, 218960049), (3, 72986683), (7, 31280007), (11, 19905459), (21, 10426669), (33, 6635153), (41, 5340489), (61, 3589509), (77, 2843637), (123, 1780163), (183, 1196503), (231, 947879), (287, 762927), (379, 577731), (427, 512787), (451, 485499), (671, 326319), (861, 254309), (1137, 192577), (1281, 170929), (1353, 161833), (2013, 108773), (2501, 87549), (2653, 82533), (3157, 69357), (4169, 52521), (4697, 46617), (7503, 29183), (7959, 27511), (9471, 23119), (12507, 17507), (14091, 15539)]