217420190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{1013}}^1$

素因数の和:1173

約数の個数: 48

約数和(自身を含む): 427534848

約数和(自身を除く): 210114658

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 169, 254, 338, 635, 845, 1013, 1270, 1651, 1690, 2026, 3302, 5065, 8255, 10130, 13169, 16510, 21463, 26338, 42926, 65845, 107315, 128651, 131690, 171197, 214630, 257302, 342394, 643255, 855985, 1286510, 1672463, 1711970, 3344926, 8362315, 16724630, 21742019, 43484038, 108710095, 217420190]

約数ペア:

[(1, 217420190), (2, 108710095), (5, 43484038), (10, 21742019), (13, 16724630), (26, 8362315), (65, 3344926), (127, 1711970), (130, 1672463), (169, 1286510), (254, 855985), (338, 643255), (635, 342394), (845, 257302), (1013, 214630), (1270, 171197), (1651, 131690), (1690, 128651), (2026, 107315), (3302, 65845), (5065, 42926), (8255, 26338), (10130, 21463), (13169, 16510)]