1285289428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{761}}^1$

素因数の和:1168

約数の個数: 48

約数和(自身を含む): 2411821440

約数和(自身を除く): 1126532012

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 313, 626, 761, 1252, 1349, 1522, 2698, 3044, 5396, 5947, 11894, 14459, 22223, 23788, 28918, 44446, 54031, 57836, 88892, 108062, 216124, 238193, 422237, 476386, 844474, 952772, 1026589, 1688948, 2053178, 4106356, 4525667, 9051334, 16911703, 18102668, 33823406, 67646812, 321322357, 642644714, 1285289428]

約数ペア:

[(1, 1285289428), (2, 642644714), (4, 321322357), (19, 67646812), (38, 33823406), (71, 18102668), (76, 16911703), (142, 9051334), (284, 4525667), (313, 4106356), (626, 2053178), (761, 1688948), (1252, 1026589), (1349, 952772), (1522, 844474), (2698, 476386), (3044, 422237), (5396, 238193), (5947, 216124), (11894, 108062), (14459, 88892), (22223, 57836), (23788, 54031), (28918, 44446)]