491669878

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{4877}}^1$

素因数の和:5284

約数の個数: 32

約数和(自身を含む): 889747200

約数和(自身を除く): 398077322

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 379, 758, 2653, 4877, 5306, 7201, 9754, 14402, 34139, 50407, 68278, 92663, 100814, 185326, 648641, 1297282, 1848383, 3696766, 12938681, 25877362, 35119277, 70238554, 245834939, 491669878]

約数ペア:

[(1, 491669878), (2, 245834939), (7, 70238554), (14, 35119277), (19, 25877362), (38, 12938681), (133, 3696766), (266, 1848383), (379, 1297282), (758, 648641), (2653, 185326), (4877, 100814), (5306, 92663), (7201, 68278), (9754, 50407), (14402, 34139)]