204537584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{15647}}^1$

素因数の和:15717

約数の個数: 40

約数和(自身を含む): 426877440

約数和(自身を除く): 222339856

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6536, 13072, 15647, 31294, 62588, 125176, 250352, 297293, 594586, 672821, 1189172, 1345642, 2378344, 2691284, 4756688, 5382568, 10765136, 12783599, 25567198, 51134396, 102268792, 204537584]

約数ペア:

[(1, 204537584), (2, 102268792), (4, 51134396), (8, 25567198), (16, 12783599), (19, 10765136), (38, 5382568), (43, 4756688), (76, 2691284), (86, 2378344), (152, 1345642), (172, 1189172), (304, 672821), (344, 594586), (688, 297293), (817, 250352), (1634, 125176), (3268, 62588), (6536, 31294), (13072, 15647)]