28638974

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2969}}^1$

素因数の和:3044

約数の個数: 32

約数和(自身を含む): 53887680

約数和(自身を除く): 25248706

約数列:

[1, 2, 7, 13, 14, 26, 53, 91, 106, 182, 371, 689, 742, 1378, 2969, 4823, 5938, 9646, 20783, 38597, 41566, 77194, 157357, 270179, 314714, 540358, 1101499, 2045641, 2202998, 4091282, 14319487, 28638974]

約数ペア:

[(1, 28638974), (2, 14319487), (7, 4091282), (13, 2202998), (14, 2045641), (26, 1101499), (53, 540358), (91, 314714), (106, 270179), (182, 157357), (371, 77194), (689, 41566), (742, 38597), (1378, 20783), (2969, 9646), (4823, 5938)]