215617428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{460721}}^1$

素因数の和:460744

約数の個数: 36

約数和(自身を含む): 586959828

約数和(自身を除く): 371342400

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 460721, 921442, 1382163, 1842884, 2764326, 4146489, 5528652, 5989373, 8292978, 11978746, 16585956, 17968119, 23957492, 35936238, 53904357, 71872476, 107808714, 215617428]

約数ペア:

[(1, 215617428), (2, 107808714), (3, 71872476), (4, 53904357), (6, 35936238), (9, 23957492), (12, 17968119), (13, 16585956), (18, 11978746), (26, 8292978), (36, 5989373), (39, 5528652), (52, 4146489), (78, 2764326), (117, 1842884), (156, 1382163), (234, 921442), (468, 460721)]