217145712

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{646267}}^1$

素因数の和:646285

約数の個数: 40

約数和(自身を含む): 641097856

約数和(自身を除く): 423952144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 646267, 1292534, 1938801, 2585068, 3877602, 4523869, 5170136, 7755204, 9047738, 10340272, 13571607, 15510408, 18095476, 27143214, 31020816, 36190952, 54286428, 72381904, 108572856, 217145712]

約数ペア:

[(1, 217145712), (2, 108572856), (3, 72381904), (4, 54286428), (6, 36190952), (7, 31020816), (8, 27143214), (12, 18095476), (14, 15510408), (16, 13571607), (21, 10340272), (24, 9047738), (28, 7755204), (42, 5170136), (48, 4523869), (56, 3877602), (84, 2585068), (112, 1938801), (168, 1292534), (336, 646267)]