28041708

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 67836384

約数和(自身を除く): 39794676

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 137, 148, 222, 274, 411, 444, 461, 548, 822, 922, 1383, 1644, 1844, 2766, 5069, 5532, 10138, 15207, 17057, 20276, 30414, 34114, 51171, 60828, 63157, 68228, 102342, 126314, 189471, 204684, 252628, 378942, 757884, 2336809, 4673618, 7010427, 9347236, 14020854, 28041708]

約数ペア:

[(1, 28041708), (2, 14020854), (3, 9347236), (4, 7010427), (6, 4673618), (12, 2336809), (37, 757884), (74, 378942), (111, 252628), (137, 204684), (148, 189471), (222, 126314), (274, 102342), (411, 68228), (444, 63157), (461, 60828), (548, 51171), (822, 34114), (922, 30414), (1383, 20276), (1644, 17057), (1844, 15207), (2766, 10138), (5069, 5532)]