31478328

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:322

約数の個数: 128

約数和(自身を含む): 101376000

約数和(自身を除く): 69897672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 109, 126, 168, 189, 191, 216, 218, 252, 327, 378, 382, 436, 504, 573, 654, 756, 763, 764, 872, 981, 1146, 1308, 1337, 1512, 1526, 1528, 1719, 1962, 2289, 2292, 2616, 2674, 2943, 3052, 3438, 3924, 4011, 4578, 4584, 5157, 5348, 5886, 6104, 6867, 6876, 7848, 8022, 9156, 10314, 10696, 11772, 12033, 13734, 13752, 16044, 18312, 20601, 20628, 20819, 23544, 24066, 27468, 32088, 36099, 41202, 41256, 41638, 48132, 54936, 62457, 72198, 82404, 83276, 96264, 124914, 144396, 145733, 164808, 166552, 187371, 249828, 288792, 291466, 374742, 437199, 499656, 562113, 582932, 749484, 874398, 1124226, 1165864, 1311597, 1498968, 1748796, 2248452, 2623194, 3497592, 3934791, 4496904, 5246388, 7869582, 10492776, 15739164, 31478328]

約数ペア:

[(1, 31478328), (2, 15739164), (3, 10492776), (4, 7869582), (6, 5246388), (7, 4496904), (8, 3934791), (9, 3497592), (12, 2623194), (14, 2248452), (18, 1748796), (21, 1498968), (24, 1311597), (27, 1165864), (28, 1124226), (36, 874398), (42, 749484), (54, 582932), (56, 562113), (63, 499656), (72, 437199), (84, 374742), (108, 291466), (109, 288792), (126, 249828), (168, 187371), (189, 166552), (191, 164808), (216, 145733), (218, 144396), (252, 124914), (327, 96264), (378, 83276), (382, 82404), (436, 72198), (504, 62457), (573, 54936), (654, 48132), (756, 41638), (763, 41256), (764, 41202), (872, 36099), (981, 32088), (1146, 27468), (1308, 24066), (1337, 23544), (1512, 20819), (1526, 20628), (1528, 20601), (1719, 18312), (1962, 16044), (2289, 13752), (2292, 13734), (2616, 12033), (2674, 11772), (2943, 10696), (3052, 10314), (3438, 9156), (3924, 8022), (4011, 7848), (4578, 6876), (4584, 6867), (5157, 6104), (5348, 5886)]