28389870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{953}}^1$

素因数の和:1297

約数の個数: 48

約数和(自身を含む): 74114352

約数和(自身を除く): 45724482

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 331, 662, 953, 993, 1655, 1906, 1986, 2859, 2979, 3310, 4765, 4965, 5718, 5958, 8577, 9530, 9930, 14295, 14895, 17154, 28590, 29790, 42885, 85770, 315443, 630886, 946329, 1577215, 1892658, 2838987, 3154430, 4731645, 5677974, 9463290, 14194935, 28389870]

約数ペア:

[(1, 28389870), (2, 14194935), (3, 9463290), (5, 5677974), (6, 4731645), (9, 3154430), (10, 2838987), (15, 1892658), (18, 1577215), (30, 946329), (45, 630886), (90, 315443), (331, 85770), (662, 42885), (953, 29790), (993, 28590), (1655, 17154), (1906, 14895), (1986, 14295), (2859, 9930), (2979, 9530), (3310, 8577), (4765, 5958), (4965, 5718)]