420199784

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{14717}}^1$

素因数の和:14849

約数の個数: 32

約数和(自身を含む): 815965920

約数和(自身を除く): 395766136

約数列:

[1, 2, 4, 8, 43, 83, 86, 166, 172, 332, 344, 664, 3569, 7138, 14276, 14717, 28552, 29434, 58868, 117736, 632831, 1221511, 1265662, 2443022, 2531324, 4886044, 5062648, 9772088, 52524973, 105049946, 210099892, 420199784]

約数ペア:

[(1, 420199784), (2, 210099892), (4, 105049946), (8, 52524973), (43, 9772088), (83, 5062648), (86, 4886044), (166, 2531324), (172, 2443022), (332, 1265662), (344, 1221511), (664, 632831), (3569, 117736), (7138, 58868), (14276, 29434), (14717, 28552)]