165140224

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{20809}}^1$

素因数の和:20856

約数の個数: 36

約数和(自身を含む): 340285120

約数和(自身を除く): 175144896

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 20809, 41618, 83236, 166472, 332944, 645079, 665888, 1290158, 1331776, 2580316, 2663552, 5160632, 5327104, 10321264, 20642528, 41285056, 82570112, 165140224]

約数ペア:

[(1, 165140224), (2, 82570112), (4, 41285056), (8, 20642528), (16, 10321264), (31, 5327104), (32, 5160632), (62, 2663552), (64, 2580316), (124, 1331776), (128, 1290158), (248, 665888), (256, 645079), (496, 332944), (992, 166472), (1984, 83236), (3968, 41618), (7936, 20809)]