16220428

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 34352640

約数和(自身を除く): 18132212

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 89, 92, 161, 178, 283, 322, 356, 566, 623, 644, 1132, 1246, 1981, 2047, 2492, 3962, 4094, 6509, 7924, 8188, 13018, 14329, 25187, 26036, 28658, 45563, 50374, 57316, 91126, 100748, 176309, 182252, 352618, 579301, 705236, 1158602, 2317204, 4055107, 8110214, 16220428]

約数ペア:

[(1, 16220428), (2, 8110214), (4, 4055107), (7, 2317204), (14, 1158602), (23, 705236), (28, 579301), (46, 352618), (89, 182252), (92, 176309), (161, 100748), (178, 91126), (283, 57316), (322, 50374), (356, 45563), (566, 28658), (623, 26036), (644, 25187), (1132, 14329), (1246, 13018), (1981, 8188), (2047, 7924), (2492, 6509), (3962, 4094)]