138876668

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2423}}^1$

素因数の和:2546

約数の個数: 48

約数和(自身を含む): 293207040

約数和(自身を除く): 154330372

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 89, 92, 161, 178, 322, 356, 623, 644, 1246, 2047, 2423, 2492, 4094, 4846, 8188, 9692, 14329, 16961, 28658, 33922, 55729, 57316, 67844, 111458, 215647, 222916, 390103, 431294, 780206, 862588, 1509529, 1560412, 3019058, 4959881, 6038116, 9919762, 19839524, 34719167, 69438334, 138876668]

約数ペア:

[(1, 138876668), (2, 69438334), (4, 34719167), (7, 19839524), (14, 9919762), (23, 6038116), (28, 4959881), (46, 3019058), (89, 1560412), (92, 1509529), (161, 862588), (178, 780206), (322, 431294), (356, 390103), (623, 222916), (644, 215647), (1246, 111458), (2047, 67844), (2423, 57316), (2492, 55729), (4094, 33922), (4846, 28658), (8188, 16961), (9692, 14329)]