217570416

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{647531}}^1$

素因数の和:647549

約数の個数: 40

約数和(自身を含む): 642351744

約数和(自身を除く): 424781328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 647531, 1295062, 1942593, 2590124, 3885186, 4532717, 5180248, 7770372, 9065434, 10360496, 13598151, 15540744, 18130868, 27196302, 31081488, 36261736, 54392604, 72523472, 108785208, 217570416]

約数ペア:

[(1, 217570416), (2, 108785208), (3, 72523472), (4, 54392604), (6, 36261736), (7, 31081488), (8, 27196302), (12, 18130868), (14, 15540744), (16, 13598151), (21, 10360496), (24, 9065434), (28, 7770372), (42, 5180248), (48, 4532717), (56, 3885186), (84, 2590124), (112, 1942593), (168, 1295062), (336, 647531)]