15415556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 30632448

約数和(自身を除く): 15216892

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 73, 124, 131, 146, 262, 292, 403, 524, 806, 949, 1612, 1703, 1898, 2263, 3406, 3796, 4061, 4526, 6812, 8122, 9052, 9563, 16244, 19126, 29419, 38252, 52793, 58838, 105586, 117676, 124319, 211172, 248638, 296453, 497276, 592906, 1185812, 3853889, 7707778, 15415556]

約数ペア:

[(1, 15415556), (2, 7707778), (4, 3853889), (13, 1185812), (26, 592906), (31, 497276), (52, 296453), (62, 248638), (73, 211172), (124, 124319), (131, 117676), (146, 105586), (262, 58838), (292, 52793), (403, 38252), (524, 29419), (806, 19126), (949, 16244), (1612, 9563), (1703, 9052), (1898, 8122), (2263, 6812), (3406, 4526), (3796, 4061)]