999600290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{541}}^1$

素因数の和:855

約数の個数: 64

約数和(自身を含む): 1981560672

約数和(自身を除く): 981960382

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 233, 305, 466, 541, 610, 793, 1082, 1165, 1586, 2330, 2705, 3029, 3965, 5410, 6058, 7033, 7930, 14066, 14213, 15145, 28426, 30290, 33001, 35165, 66002, 70330, 71065, 126053, 142130, 165005, 184769, 252106, 330010, 369538, 429013, 630265, 858026, 923845, 1260530, 1638689, 1847690, 2145065, 3277378, 4290130, 7689233, 8193445, 15378466, 16386890, 38446165, 76892330, 99960029, 199920058, 499800145, 999600290]

約数ペア:

[(1, 999600290), (2, 499800145), (5, 199920058), (10, 99960029), (13, 76892330), (26, 38446165), (61, 16386890), (65, 15378466), (122, 8193445), (130, 7689233), (233, 4290130), (305, 3277378), (466, 2145065), (541, 1847690), (610, 1638689), (793, 1260530), (1082, 923845), (1165, 858026), (1586, 630265), (2330, 429013), (2705, 369538), (3029, 330010), (3965, 252106), (5410, 184769), (6058, 165005), (7033, 142130), (7930, 126053), (14066, 71065), (14213, 70330), (15145, 66002), (28426, 35165), (30290, 33001)]