131273792

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:320

約数の個数: 84

約数和(自身を含む): 288653220

約数和(自身を除く): 157379428

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 169, 208, 212, 229, 338, 416, 424, 458, 676, 689, 832, 848, 916, 1352, 1378, 1696, 1832, 2704, 2756, 2977, 3392, 3664, 5408, 5512, 5954, 7328, 8957, 10816, 11024, 11908, 12137, 14656, 17914, 22048, 23816, 24274, 35828, 38701, 44096, 47632, 48548, 71656, 77402, 95264, 97096, 143312, 154804, 157781, 190528, 194192, 286624, 309608, 315562, 388384, 573248, 619216, 631124, 776768, 1238432, 1262248, 2051153, 2476864, 2524496, 4102306, 5048992, 8204612, 10097984, 16409224, 32818448, 65636896, 131273792]

約数ペア:

[(1, 131273792), (2, 65636896), (4, 32818448), (8, 16409224), (13, 10097984), (16, 8204612), (26, 5048992), (32, 4102306), (52, 2524496), (53, 2476864), (64, 2051153), (104, 1262248), (106, 1238432), (169, 776768), (208, 631124), (212, 619216), (229, 573248), (338, 388384), (416, 315562), (424, 309608), (458, 286624), (676, 194192), (689, 190528), (832, 157781), (848, 154804), (916, 143312), (1352, 97096), (1378, 95264), (1696, 77402), (1832, 71656), (2704, 48548), (2756, 47632), (2977, 44096), (3392, 38701), (3664, 35828), (5408, 24274), (5512, 23816), (5954, 22048), (7328, 17914), (8957, 14656), (10816, 12137), (11024, 11908)]