31880898

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 89395200

約数和(自身を除く): 57514302

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 23, 27, 38, 42, 46, 54, 57, 63, 69, 114, 126, 133, 138, 161, 171, 189, 193, 207, 266, 322, 342, 378, 386, 399, 414, 437, 483, 513, 579, 621, 798, 874, 966, 1026, 1158, 1197, 1242, 1311, 1351, 1449, 1737, 2394, 2622, 2702, 2898, 3059, 3474, 3591, 3667, 3933, 4053, 4347, 4439, 5211, 6118, 7182, 7334, 7866, 8106, 8694, 8878, 9177, 10422, 11001, 11799, 12159, 13317, 18354, 22002, 23598, 24318, 25669, 26634, 27531, 31073, 33003, 36477, 39951, 51338, 55062, 62146, 66006, 72954, 77007, 79902, 82593, 84341, 93219, 99009, 119853, 154014, 165186, 168682, 186438, 198018, 231021, 239706, 253023, 279657, 462042, 506046, 559314, 590387, 693063, 759069, 838971, 1180774, 1386126, 1518138, 1677942, 1771161, 2277207, 3542322, 4554414, 5313483, 10626966, 15940449, 31880898]

約数ペア:

[(1, 31880898), (2, 15940449), (3, 10626966), (6, 5313483), (7, 4554414), (9, 3542322), (14, 2277207), (18, 1771161), (19, 1677942), (21, 1518138), (23, 1386126), (27, 1180774), (38, 838971), (42, 759069), (46, 693063), (54, 590387), (57, 559314), (63, 506046), (69, 462042), (114, 279657), (126, 253023), (133, 239706), (138, 231021), (161, 198018), (171, 186438), (189, 168682), (193, 165186), (207, 154014), (266, 119853), (322, 99009), (342, 93219), (378, 84341), (386, 82593), (399, 79902), (414, 77007), (437, 72954), (483, 66006), (513, 62146), (579, 55062), (621, 51338), (798, 39951), (874, 36477), (966, 33003), (1026, 31073), (1158, 27531), (1197, 26634), (1242, 25669), (1311, 24318), (1351, 23598), (1449, 22002), (1737, 18354), (2394, 13317), (2622, 12159), (2702, 11799), (2898, 11001), (3059, 10422), (3474, 9177), (3591, 8878), (3667, 8694), (3933, 8106), (4053, 7866), (4347, 7334), (4439, 7182), (5211, 6118)]