212711538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 468357120

約数和(自身を除く): 255645582

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 127, 197, 218, 254, 327, 381, 394, 591, 654, 762, 1182, 1417, 1651, 2561, 2834, 3302, 4251, 4953, 5122, 7683, 8502, 9906, 13843, 15366, 21473, 25019, 27686, 41529, 42946, 50038, 64419, 75057, 83058, 128838, 150114, 179959, 279149, 325247, 359918, 539877, 558298, 650494, 837447, 975741, 1079754, 1674894, 1951482, 2727071, 5454142, 8181213, 16362426, 35451923, 70903846, 106355769, 212711538]

約数ペア:

[(1, 212711538), (2, 106355769), (3, 70903846), (6, 35451923), (13, 16362426), (26, 8181213), (39, 5454142), (78, 2727071), (109, 1951482), (127, 1674894), (197, 1079754), (218, 975741), (254, 837447), (327, 650494), (381, 558298), (394, 539877), (591, 359918), (654, 325247), (762, 279149), (1182, 179959), (1417, 150114), (1651, 128838), (2561, 83058), (2834, 75057), (3302, 64419), (4251, 50038), (4953, 42946), (5122, 41529), (7683, 27686), (8502, 25019), (9906, 21473), (13843, 15366)]