163973238

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{857}}^1$

素因数の和:1109

約数の個数: 64

約数和(自身を含む): 387459072

約数和(自身を除く): 223485834

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 223, 286, 429, 446, 669, 857, 858, 1338, 1714, 2453, 2571, 2899, 4906, 5142, 5798, 7359, 8697, 9427, 11141, 14718, 17394, 18854, 22282, 28281, 31889, 33423, 56562, 63778, 66846, 95667, 122551, 191111, 191334, 245102, 367653, 382222, 573333, 735306, 1146666, 2102221, 2484443, 4204442, 4968886, 6306663, 7453329, 12613326, 14906658, 27328873, 54657746, 81986619, 163973238]

約数ペア:

[(1, 163973238), (2, 81986619), (3, 54657746), (6, 27328873), (11, 14906658), (13, 12613326), (22, 7453329), (26, 6306663), (33, 4968886), (39, 4204442), (66, 2484443), (78, 2102221), (143, 1146666), (223, 735306), (286, 573333), (429, 382222), (446, 367653), (669, 245102), (857, 191334), (858, 191111), (1338, 122551), (1714, 95667), (2453, 66846), (2571, 63778), (2899, 56562), (4906, 33423), (5142, 31889), (5798, 28281), (7359, 22282), (8697, 18854), (9427, 17394), (11141, 14718)]