209729376

素因数分解:

$2^5\times 3^2\times {\mathrm{821}}^1\times {\mathrm{887}}^1$

素因数の和:1724

約数の個数: 72

約数和(自身を含む): 597817584

約数和(自身を除く): 388088208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 821, 887, 1642, 1774, 2463, 2661, 3284, 3548, 4926, 5322, 6568, 7096, 7389, 7983, 9852, 10644, 13136, 14192, 14778, 15966, 19704, 21288, 26272, 28384, 29556, 31932, 39408, 42576, 59112, 63864, 78816, 85152, 118224, 127728, 236448, 255456, 728227, 1456454, 2184681, 2912908, 4369362, 5825816, 6554043, 8738724, 11651632, 13108086, 17477448, 23303264, 26216172, 34954896, 52432344, 69909792, 104864688, 209729376]

約数ペア:

[(1, 209729376), (2, 104864688), (3, 69909792), (4, 52432344), (6, 34954896), (8, 26216172), (9, 23303264), (12, 17477448), (16, 13108086), (18, 11651632), (24, 8738724), (32, 6554043), (36, 5825816), (48, 4369362), (72, 2912908), (96, 2184681), (144, 1456454), (288, 728227), (821, 255456), (887, 236448), (1642, 127728), (1774, 118224), (2463, 85152), (2661, 78816), (3284, 63864), (3548, 59112), (4926, 42576), (5322, 39408), (6568, 31932), (7096, 29556), (7389, 28384), (7983, 26272), (9852, 21288), (10644, 19704), (13136, 15966), (14192, 14778)]