263237728

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{3313}}^1$

素因数の和:3527

約数の個数: 48

約数和(自身を含む): 561206016

約数和(自身を除く): 297968288

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 191, 208, 382, 416, 764, 1528, 2483, 3056, 3313, 4966, 6112, 6626, 9932, 13252, 19864, 26504, 39728, 43069, 53008, 79456, 86138, 106016, 172276, 344552, 632783, 689104, 1265566, 1378208, 2531132, 5062264, 8226179, 10124528, 16452358, 20249056, 32904716, 65809432, 131618864, 263237728]

約数ペア:

[(1, 263237728), (2, 131618864), (4, 65809432), (8, 32904716), (13, 20249056), (16, 16452358), (26, 10124528), (32, 8226179), (52, 5062264), (104, 2531132), (191, 1378208), (208, 1265566), (382, 689104), (416, 632783), (764, 344552), (1528, 172276), (2483, 106016), (3056, 86138), (3313, 79456), (4966, 53008), (6112, 43069), (6626, 39728), (9932, 26504), (13252, 19864)]