689473984

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{491}}^1\times {\mathrm{593}}^1$

素因数の和:1133

約数の個数: 56

約数和(自身を含む): 1410388848

約数和(自身を除く): 720914864

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 148, 296, 491, 592, 593, 982, 1184, 1186, 1964, 2368, 2372, 3928, 4744, 7856, 9488, 15712, 18167, 18976, 21941, 31424, 36334, 37952, 43882, 72668, 87764, 145336, 175528, 290672, 291163, 351056, 581344, 582326, 702112, 1162688, 1164652, 1404224, 2329304, 4658608, 9317216, 10773031, 18634432, 21546062, 43092124, 86184248, 172368496, 344736992, 689473984]

約数ペア:

[(1, 689473984), (2, 344736992), (4, 172368496), (8, 86184248), (16, 43092124), (32, 21546062), (37, 18634432), (64, 10773031), (74, 9317216), (148, 4658608), (296, 2329304), (491, 1404224), (592, 1164652), (593, 1162688), (982, 702112), (1184, 582326), (1186, 581344), (1964, 351056), (2368, 291163), (2372, 290672), (3928, 175528), (4744, 145336), (7856, 87764), (9488, 72668), (15712, 43882), (18167, 37952), (18976, 36334), (21941, 31424)]