1637339942

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 2969654400

約数和(自身を除く): 1332314458

約数列:

[1, 2, 7, 14, 29, 58, 89, 113, 178, 203, 226, 401, 406, 623, 791, 802, 1246, 1582, 2581, 2807, 3277, 5162, 5614, 6554, 10057, 11629, 18067, 20114, 22939, 23258, 35689, 36134, 45313, 45878, 70399, 71378, 81403, 90626, 140798, 162806, 249823, 291653, 317191, 499646, 583306, 634382, 1034981, 1314077, 2041571, 2069962, 2628154, 4032857, 4083142, 7244867, 8065714, 9198539, 14489734, 18397078, 28229999, 56459998, 116952853, 233905706, 818669971, 1637339942]

約数ペア:

[(1, 1637339942), (2, 818669971), (7, 233905706), (14, 116952853), (29, 56459998), (58, 28229999), (89, 18397078), (113, 14489734), (178, 9198539), (203, 8065714), (226, 7244867), (401, 4083142), (406, 4032857), (623, 2628154), (791, 2069962), (802, 2041571), (1246, 1314077), (1582, 1034981), (2581, 634382), (2807, 583306), (3277, 499646), (5162, 317191), (5614, 291653), (6554, 249823), (10057, 162806), (11629, 140798), (18067, 90626), (20114, 81403), (22939, 71378), (23258, 70399), (35689, 45878), (36134, 45313)]