638492424

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1\times {\mathrm{857}}^1$

素因数の和:1742

約数の個数: 64

約数和(自身を含む): 1643241600

約数和(自身を除く): 1004749176

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 839, 857, 888, 1678, 1714, 2517, 2571, 3356, 3428, 5034, 5142, 6712, 6856, 10068, 10284, 20136, 20568, 31043, 31709, 62086, 63418, 93129, 95127, 124172, 126836, 186258, 190254, 248344, 253672, 372516, 380508, 719023, 745032, 761016, 1438046, 2157069, 2876092, 4314138, 5752184, 8628276, 17256552, 26603851, 53207702, 79811553, 106415404, 159623106, 212830808, 319246212, 638492424]

約数ペア:

[(1, 638492424), (2, 319246212), (3, 212830808), (4, 159623106), (6, 106415404), (8, 79811553), (12, 53207702), (24, 26603851), (37, 17256552), (74, 8628276), (111, 5752184), (148, 4314138), (222, 2876092), (296, 2157069), (444, 1438046), (839, 761016), (857, 745032), (888, 719023), (1678, 380508), (1714, 372516), (2517, 253672), (2571, 248344), (3356, 190254), (3428, 186258), (5034, 126836), (5142, 124172), (6712, 95127), (6856, 93129), (10068, 63418), (10284, 62086), (20136, 31709), (20568, 31043)]