28157848

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 59128200

約数和(自身を除く): 30970352

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 289, 323, 578, 641, 646, 1156, 1282, 1292, 2312, 2564, 2584, 5128, 5491, 10897, 10982, 12179, 21794, 21964, 24358, 43588, 43928, 48716, 87176, 97432, 185249, 207043, 370498, 414086, 740996, 828172, 1481992, 1656344, 3519731, 7039462, 14078924, 28157848]

約数ペア:

[(1, 28157848), (2, 14078924), (4, 7039462), (8, 3519731), (17, 1656344), (19, 1481992), (34, 828172), (38, 740996), (68, 414086), (76, 370498), (136, 207043), (152, 185249), (289, 97432), (323, 87176), (578, 48716), (641, 43928), (646, 43588), (1156, 24358), (1282, 21964), (1292, 21794), (2312, 12179), (2564, 10982), (2584, 10897), (5128, 5491)]