638961888

素因数分解:

$2^5\times 3^1\times {\mathrm{83}}^1\times {\mathrm{80191}}^1$

素因数の和:80287

約数の個数: 48

約数和(自身を含む): 1697504256

約数和(自身を除く): 1058542368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 83, 96, 166, 249, 332, 498, 664, 996, 1328, 1992, 2656, 3984, 7968, 80191, 160382, 240573, 320764, 481146, 641528, 962292, 1283056, 1924584, 2566112, 3849168, 6655853, 7698336, 13311706, 19967559, 26623412, 39935118, 53246824, 79870236, 106493648, 159740472, 212987296, 319480944, 638961888]

約数ペア:

[(1, 638961888), (2, 319480944), (3, 212987296), (4, 159740472), (6, 106493648), (8, 79870236), (12, 53246824), (16, 39935118), (24, 26623412), (32, 19967559), (48, 13311706), (83, 7698336), (96, 6655853), (166, 3849168), (249, 2566112), (332, 1924584), (498, 1283056), (664, 962292), (996, 641528), (1328, 481146), (1992, 320764), (2656, 240573), (3984, 160382), (7968, 80191)]