917968839190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1213}}^1\times {\mathrm{21481}}^1$

素因数の和:22985

約数の個数: 64

約数和(自身を含む): 1787569120512

約数和(自身を除く): 869600281322

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 271, 542, 1213, 1355, 2426, 2710, 3523, 6065, 7046, 12130, 15769, 17615, 21481, 31538, 35230, 42962, 78845, 107405, 157690, 214810, 279253, 328723, 558506, 657446, 1396265, 1643615, 2792530, 3287230, 4273399, 5821351, 8546798, 11642702, 21366995, 26056453, 29106755, 42733990, 52112906, 58213510, 75677563, 130282265, 151355126, 260564530, 338733889, 378387815, 677467778, 756775630, 1693669445, 3387338890, 7061298763, 14122597526, 35306493815, 70612987630, 91796883919, 183593767838, 458984419595, 917968839190]

約数ペア:

[(1, 917968839190), (2, 458984419595), (5, 183593767838), (10, 91796883919), (13, 70612987630), (26, 35306493815), (65, 14122597526), (130, 7061298763), (271, 3387338890), (542, 1693669445), (1213, 756775630), (1355, 677467778), (2426, 378387815), (2710, 338733889), (3523, 260564530), (6065, 151355126), (7046, 130282265), (12130, 75677563), (15769, 58213510), (17615, 52112906), (21481, 42733990), (31538, 29106755), (35230, 26056453), (42962, 21366995), (78845, 11642702), (107405, 8546798), (157690, 5821351), (214810, 4273399), (279253, 3287230), (328723, 2792530), (558506, 1643615), (657446, 1396265)]