9968297690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{190271}}^1$

素因数の和:190335

約数の個数: 48

約数和(自身を含む): 20056190976

約数和(自身を除く): 10087893286

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1690, 2015, 4030, 5239, 10478, 26195, 52390, 190271, 380542, 951355, 1902710, 2473523, 4947046, 5898401, 11796802, 12367615, 24735230, 29492005, 32155799, 58984010, 64311598, 76679213, 153358426, 160778995, 321557990, 383396065, 766792130, 996829769, 1993659538, 4984148845, 9968297690]

約数ペア:

[(1, 9968297690), (2, 4984148845), (5, 1993659538), (10, 996829769), (13, 766792130), (26, 383396065), (31, 321557990), (62, 160778995), (65, 153358426), (130, 76679213), (155, 64311598), (169, 58984010), (310, 32155799), (338, 29492005), (403, 24735230), (806, 12367615), (845, 11796802), (1690, 5898401), (2015, 4947046), (4030, 2473523), (5239, 1902710), (10478, 951355), (26195, 380542), (52390, 190271)]