1638831432

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{37957}}^1$

素因数の和:38230

約数の個数: 64

約数和(自身を含む): 4700718720

約数和(自身を除く): 3061887288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 257, 514, 771, 1028, 1542, 1799, 2056, 3084, 3598, 5397, 6168, 7196, 10794, 14392, 21588, 37957, 43176, 75914, 113871, 151828, 227742, 265699, 303656, 455484, 531398, 797097, 910968, 1062796, 1594194, 2125592, 3188388, 6376776, 9754949, 19509898, 29264847, 39019796, 58529694, 68284643, 78039592, 117059388, 136569286, 204853929, 234118776, 273138572, 409707858, 546277144, 819415716, 1638831432]

約数ペア:

[(1, 1638831432), (2, 819415716), (3, 546277144), (4, 409707858), (6, 273138572), (7, 234118776), (8, 204853929), (12, 136569286), (14, 117059388), (21, 78039592), (24, 68284643), (28, 58529694), (42, 39019796), (56, 29264847), (84, 19509898), (168, 9754949), (257, 6376776), (514, 3188388), (771, 2125592), (1028, 1594194), (1542, 1062796), (1799, 910968), (2056, 797097), (3084, 531398), (3598, 455484), (5397, 303656), (6168, 265699), (7196, 227742), (10794, 151828), (14392, 113871), (21588, 75914), (37957, 43176)]