28260072

素因数分解:

$2^3\times 3^2\times {\mathrm{389}}^1\times {\mathrm{1009}}^1$

素因数の和:1410

約数の個数: 48

約数和(自身を含む): 76810500

約数和(自身を除く): 48550428

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 389, 778, 1009, 1167, 1556, 2018, 2334, 3027, 3112, 3501, 4036, 4668, 6054, 7002, 8072, 9081, 9336, 12108, 14004, 18162, 24216, 28008, 36324, 72648, 392501, 785002, 1177503, 1570004, 2355006, 3140008, 3532509, 4710012, 7065018, 9420024, 14130036, 28260072]

約数ペア:

[(1, 28260072), (2, 14130036), (3, 9420024), (4, 7065018), (6, 4710012), (8, 3532509), (9, 3140008), (12, 2355006), (18, 1570004), (24, 1177503), (36, 785002), (72, 392501), (389, 72648), (778, 36324), (1009, 28008), (1167, 24216), (1556, 18162), (2018, 14004), (2334, 12108), (3027, 9336), (3112, 9081), (3501, 8072), (4036, 7002), (4668, 6054)]