721000229868

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{3505651}}^1$

素因数の和:3505887

約数の個数: 72

約数和(自身を含む): 1894945132080

約数和(自身を除く): 1173944902212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 197, 261, 348, 394, 522, 591, 788, 1044, 1182, 1773, 2364, 3546, 5713, 7092, 11426, 17139, 22852, 34278, 51417, 68556, 102834, 205668, 3505651, 7011302, 10516953, 14022604, 21033906, 31550859, 42067812, 63101718, 101663879, 126203436, 203327758, 304991637, 406655516, 609983274, 690613247, 914974911, 1219966548, 1381226494, 1829949822, 2071839741, 2762452988, 3659899644, 4143679482, 6215519223, 8287358964, 12431038446, 20027784163, 24862076892, 40055568326, 60083352489, 80111136652, 120166704978, 180250057467, 240333409956, 360500114934, 721000229868]

約数ペア:

[(1, 721000229868), (2, 360500114934), (3, 240333409956), (4, 180250057467), (6, 120166704978), (9, 80111136652), (12, 60083352489), (18, 40055568326), (29, 24862076892), (36, 20027784163), (58, 12431038446), (87, 8287358964), (116, 6215519223), (174, 4143679482), (197, 3659899644), (261, 2762452988), (348, 2071839741), (394, 1829949822), (522, 1381226494), (591, 1219966548), (788, 914974911), (1044, 690613247), (1182, 609983274), (1773, 406655516), (2364, 304991637), (3546, 203327758), (5713, 126203436), (7092, 101663879), (11426, 63101718), (17139, 42067812), (22852, 31550859), (34278, 21033906), (51417, 14022604), (68556, 10516953), (102834, 7011302), (205668, 3505651)]