490911018

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331249}}^1$

素因数の和:331286

約数の個数: 32

約数和(自身を含む): 1113000000

約数和(自身を除く): 622088982

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 494, 741, 1482, 331249, 662498, 993747, 1987494, 4306237, 6293731, 8612474, 12587462, 12918711, 18881193, 25837422, 37762386, 81818503, 163637006, 245455509, 490911018]

約数ペア:

[(1, 490911018), (2, 245455509), (3, 163637006), (6, 81818503), (13, 37762386), (19, 25837422), (26, 18881193), (38, 12918711), (39, 12587462), (57, 8612474), (78, 6293731), (114, 4306237), (247, 1987494), (494, 993747), (741, 662498), (1482, 331249)]