218223108

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{2311}}^1$

素因数の和:2425

約数の個数: 72

約数和(自身を含む): 573949376

約数和(自身を除く): 355726268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 61, 86, 122, 129, 172, 183, 244, 258, 366, 387, 516, 549, 732, 774, 1098, 1548, 2196, 2311, 2623, 4622, 5246, 6933, 7869, 9244, 10492, 13866, 15738, 20799, 23607, 27732, 31476, 41598, 47214, 83196, 94428, 99373, 140971, 198746, 281942, 298119, 397492, 422913, 563884, 596238, 845826, 894357, 1192476, 1268739, 1691652, 1788714, 2537478, 3577428, 5074956, 6061753, 12123506, 18185259, 24247012, 36370518, 54555777, 72741036, 109111554, 218223108]

約数ペア:

[(1, 218223108), (2, 109111554), (3, 72741036), (4, 54555777), (6, 36370518), (9, 24247012), (12, 18185259), (18, 12123506), (36, 6061753), (43, 5074956), (61, 3577428), (86, 2537478), (122, 1788714), (129, 1691652), (172, 1268739), (183, 1192476), (244, 894357), (258, 845826), (366, 596238), (387, 563884), (516, 422913), (549, 397492), (732, 298119), (774, 281942), (1098, 198746), (1548, 140971), (2196, 99373), (2311, 94428), (2623, 83196), (4622, 47214), (5246, 41598), (6933, 31476), (7869, 27732), (9244, 23607), (10492, 20799), (13866, 15738)]