643161708

素因数分解:

$2^2\times 3^{10}\times 7^1\times {\mathrm{389}}^1$

素因数の和:430

約数の個数: 132

約数和(自身を含む): 1934434320

約数和(自身を除く): 1291272612

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 389, 486, 567, 729, 756, 778, 972, 1134, 1167, 1458, 1556, 1701, 2187, 2268, 2334, 2723, 2916, 3402, 3501, 4374, 4668, 5103, 5446, 6561, 6804, 7002, 8169, 8748, 10206, 10503, 10892, 13122, 14004, 15309, 16338, 19683, 20412, 21006, 24507, 26244, 30618, 31509, 32676, 39366, 42012, 45927, 49014, 59049, 61236, 63018, 73521, 78732, 91854, 94527, 98028, 118098, 126036, 137781, 147042, 183708, 189054, 220563, 236196, 275562, 283581, 294084, 378108, 413343, 441126, 551124, 567162, 661689, 826686, 850743, 882252, 1134324, 1323378, 1653372, 1701486, 1985067, 2552229, 2646756, 3402972, 3970134, 5104458, 5955201, 7656687, 7940268, 10208916, 11910402, 15313374, 17865603, 22970061, 23820804, 30626748, 35731206, 45940122, 53596809, 71462412, 91880244, 107193618, 160790427, 214387236, 321580854, 643161708]

約数ペア:

[(1, 643161708), (2, 321580854), (3, 214387236), (4, 160790427), (6, 107193618), (7, 91880244), (9, 71462412), (12, 53596809), (14, 45940122), (18, 35731206), (21, 30626748), (27, 23820804), (28, 22970061), (36, 17865603), (42, 15313374), (54, 11910402), (63, 10208916), (81, 7940268), (84, 7656687), (108, 5955201), (126, 5104458), (162, 3970134), (189, 3402972), (243, 2646756), (252, 2552229), (324, 1985067), (378, 1701486), (389, 1653372), (486, 1323378), (567, 1134324), (729, 882252), (756, 850743), (778, 826686), (972, 661689), (1134, 567162), (1167, 551124), (1458, 441126), (1556, 413343), (1701, 378108), (2187, 294084), (2268, 283581), (2334, 275562), (2723, 236196), (2916, 220563), (3402, 189054), (3501, 183708), (4374, 147042), (4668, 137781), (5103, 126036), (5446, 118098), (6561, 98028), (6804, 94527), (7002, 91854), (8169, 78732), (8748, 73521), (10206, 63018), (10503, 61236), (10892, 59049), (13122, 49014), (14004, 45927), (15309, 42012), (16338, 39366), (19683, 32676), (20412, 31509), (21006, 30618), (24507, 26244)]