221680844

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{8087}}^1$

素因数の和:8198

約数の個数: 48

約数和(自身を含む): 489162240

約数和(自身を除く): 267481396

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 89, 154, 178, 308, 356, 623, 979, 1246, 1958, 2492, 3916, 6853, 8087, 13706, 16174, 27412, 32348, 56609, 88957, 113218, 177914, 226436, 355828, 622699, 719743, 1245398, 1439486, 2490796, 2878972, 5038201, 7917173, 10076402, 15834346, 20152804, 31668692, 55420211, 110840422, 221680844]

約数ペア:

[(1, 221680844), (2, 110840422), (4, 55420211), (7, 31668692), (11, 20152804), (14, 15834346), (22, 10076402), (28, 7917173), (44, 5038201), (77, 2878972), (89, 2490796), (154, 1439486), (178, 1245398), (308, 719743), (356, 622699), (623, 355828), (979, 226436), (1246, 177914), (1958, 113218), (2492, 88957), (3916, 56609), (6853, 32348), (8087, 27412), (13706, 16174)]