31308884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 60587520

約数和(自身を除く): 29278636

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 97, 124, 137, 194, 274, 388, 548, 589, 1178, 1843, 2356, 2603, 3007, 3686, 4247, 5206, 6014, 7372, 8494, 10412, 12028, 13289, 16988, 26578, 53156, 57133, 80693, 114266, 161386, 228532, 252491, 322772, 411959, 504982, 823918, 1009964, 1647836, 7827221, 15654442, 31308884]

約数ペア:

[(1, 31308884), (2, 15654442), (4, 7827221), (19, 1647836), (31, 1009964), (38, 823918), (62, 504982), (76, 411959), (97, 322772), (124, 252491), (137, 228532), (194, 161386), (274, 114266), (388, 80693), (548, 57133), (589, 53156), (1178, 26578), (1843, 16988), (2356, 13289), (2603, 12028), (3007, 10412), (3686, 8494), (4247, 7372), (5206, 6014)]