28387566

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{359}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 64696320

約数和(自身を除く): 36308754

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 191, 207, 359, 382, 414, 573, 718, 1077, 1146, 1719, 2154, 3231, 3438, 4393, 6462, 8257, 8786, 13179, 16514, 24771, 26358, 39537, 49542, 68569, 74313, 79074, 137138, 148626, 205707, 411414, 617121, 1234242, 1577087, 3154174, 4731261, 9462522, 14193783, 28387566]

約数ペア:

[(1, 28387566), (2, 14193783), (3, 9462522), (6, 4731261), (9, 3154174), (18, 1577087), (23, 1234242), (46, 617121), (69, 411414), (138, 205707), (191, 148626), (207, 137138), (359, 79074), (382, 74313), (414, 68569), (573, 49542), (718, 39537), (1077, 26358), (1146, 24771), (1719, 16514), (2154, 13179), (3231, 8786), (3438, 8257), (4393, 6462)]