649715248

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{26249}}^1$

素因数の和:26294

約数の個数: 80

約数和(自身を含む): 1640520000

約数和(自身を除く): 990804752

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 238, 272, 364, 442, 476, 728, 884, 952, 1456, 1547, 1768, 1904, 3094, 3536, 6188, 12376, 24752, 26249, 52498, 104996, 183743, 209992, 341237, 367486, 419984, 446233, 682474, 734972, 892466, 1364948, 1469944, 1784932, 2388659, 2729896, 2939888, 3123631, 3569864, 4777318, 5459792, 5801029, 6247262, 7139728, 9554636, 11602058, 12494524, 19109272, 23204116, 24989048, 38218544, 40607203, 46408232, 49978096, 81214406, 92816464, 162428812, 324857624, 649715248]

約数ペア:

[(1, 649715248), (2, 324857624), (4, 162428812), (7, 92816464), (8, 81214406), (13, 49978096), (14, 46408232), (16, 40607203), (17, 38218544), (26, 24989048), (28, 23204116), (34, 19109272), (52, 12494524), (56, 11602058), (68, 9554636), (91, 7139728), (104, 6247262), (112, 5801029), (119, 5459792), (136, 4777318), (182, 3569864), (208, 3123631), (221, 2939888), (238, 2729896), (272, 2388659), (364, 1784932), (442, 1469944), (476, 1364948), (728, 892466), (884, 734972), (952, 682474), (1456, 446233), (1547, 419984), (1768, 367486), (1904, 341237), (3094, 209992), (3536, 183743), (6188, 104996), (12376, 52498), (24752, 26249)]