28477625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 39312000

約数和(自身を除く): 10834375

約数列:

[1, 5, 11, 25, 55, 125, 139, 149, 275, 695, 745, 1375, 1529, 1639, 3475, 3725, 7645, 8195, 17375, 18625, 20711, 38225, 40975, 103555, 191125, 204875, 227821, 517775, 1139105, 2588875, 5695525, 28477625]

約数ペア:

[(1, 28477625), (5, 5695525), (11, 2588875), (25, 1139105), (55, 517775), (125, 227821), (139, 204875), (149, 191125), (275, 103555), (695, 40975), (745, 38225), (1375, 20711), (1529, 18625), (1639, 17375), (3475, 8195), (3725, 7645)]