217620456

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{221159}}^1$

素因数の和:221209

約数の個数: 32

約数和(自身を含む): 557323200

約数和(自身を除く): 339702744

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 221159, 442318, 663477, 884636, 1326954, 1769272, 2653908, 5307816, 9067519, 18135038, 27202557, 36270076, 54405114, 72540152, 108810228, 217620456]

約数ペア:

[(1, 217620456), (2, 108810228), (3, 72540152), (4, 54405114), (6, 36270076), (8, 27202557), (12, 18135038), (24, 9067519), (41, 5307816), (82, 2653908), (123, 1769272), (164, 1326954), (246, 884636), (328, 663477), (492, 442318), (984, 221159)]