221570388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{473441}}^1$

素因数の和:473464

約数の個数: 36

約数和(自身を含む): 603165108

約数和(自身を除く): 381594720

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 473441, 946882, 1420323, 1893764, 2840646, 4260969, 5681292, 6154733, 8521938, 12309466, 17043876, 18464199, 24618932, 36928398, 55392597, 73856796, 110785194, 221570388]

約数ペア:

[(1, 221570388), (2, 110785194), (3, 73856796), (4, 55392597), (6, 36928398), (9, 24618932), (12, 18464199), (13, 17043876), (18, 12309466), (26, 8521938), (36, 6154733), (39, 5681292), (52, 4260969), (78, 2840646), (117, 1893764), (156, 1420323), (234, 946882), (468, 473441)]