257799472

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1811}}^1$

素因数の和:1898

約数の個数: 80

約数和(自身を含む): 603961344

約数和(自身を除く): 346161872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 41, 56, 62, 82, 112, 124, 164, 217, 248, 287, 328, 434, 496, 574, 656, 868, 1148, 1271, 1736, 1811, 2296, 2542, 3472, 3622, 4592, 5084, 7244, 8897, 10168, 12677, 14488, 17794, 20336, 25354, 28976, 35588, 50708, 56141, 71176, 74251, 101416, 112282, 142352, 148502, 202832, 224564, 297004, 392987, 449128, 519757, 594008, 785974, 898256, 1039514, 1188016, 1571948, 2079028, 2301781, 3143896, 4158056, 4603562, 6287792, 8316112, 9207124, 16112467, 18414248, 32224934, 36828496, 64449868, 128899736, 257799472]

約数ペア:

[(1, 257799472), (2, 128899736), (4, 64449868), (7, 36828496), (8, 32224934), (14, 18414248), (16, 16112467), (28, 9207124), (31, 8316112), (41, 6287792), (56, 4603562), (62, 4158056), (82, 3143896), (112, 2301781), (124, 2079028), (164, 1571948), (217, 1188016), (248, 1039514), (287, 898256), (328, 785974), (434, 594008), (496, 519757), (574, 449128), (656, 392987), (868, 297004), (1148, 224564), (1271, 202832), (1736, 148502), (1811, 142352), (2296, 112282), (2542, 101416), (3472, 74251), (3622, 71176), (4592, 56141), (5084, 50708), (7244, 35588), (8897, 28976), (10168, 25354), (12677, 20336), (14488, 17794)]