199445688

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:518

約数の個数: 144

約数和(自身を含む): 602077320

約数和(自身を除く): 402631632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 37, 39, 52, 72, 74, 78, 104, 111, 117, 148, 156, 169, 222, 234, 296, 312, 333, 338, 443, 444, 468, 481, 507, 666, 676, 886, 888, 936, 962, 1014, 1329, 1332, 1352, 1443, 1521, 1772, 1924, 2028, 2658, 2664, 2886, 3042, 3544, 3848, 3987, 4056, 4329, 5316, 5759, 5772, 6084, 6253, 7974, 8658, 10632, 11518, 11544, 12168, 12506, 15948, 16391, 17277, 17316, 18759, 23036, 25012, 31896, 32782, 34554, 34632, 37518, 46072, 49173, 50024, 51831, 56277, 65564, 69108, 74867, 75036, 98346, 103662, 112554, 131128, 138216, 147519, 149734, 150072, 196692, 207324, 213083, 224601, 225108, 295038, 299468, 393384, 414648, 426166, 449202, 450216, 590076, 598936, 639249, 673803, 852332, 898404, 1180152, 1278498, 1347606, 1704664, 1796808, 1917747, 2556996, 2695212, 2770079, 3835494, 5113992, 5390424, 5540158, 7670988, 8310237, 11080316, 15341976, 16620474, 22160632, 24930711, 33240948, 49861422, 66481896, 99722844, 199445688]

約数ペア:

[(1, 199445688), (2, 99722844), (3, 66481896), (4, 49861422), (6, 33240948), (8, 24930711), (9, 22160632), (12, 16620474), (13, 15341976), (18, 11080316), (24, 8310237), (26, 7670988), (36, 5540158), (37, 5390424), (39, 5113992), (52, 3835494), (72, 2770079), (74, 2695212), (78, 2556996), (104, 1917747), (111, 1796808), (117, 1704664), (148, 1347606), (156, 1278498), (169, 1180152), (222, 898404), (234, 852332), (296, 673803), (312, 639249), (333, 598936), (338, 590076), (443, 450216), (444, 449202), (468, 426166), (481, 414648), (507, 393384), (666, 299468), (676, 295038), (886, 225108), (888, 224601), (936, 213083), (962, 207324), (1014, 196692), (1329, 150072), (1332, 149734), (1352, 147519), (1443, 138216), (1521, 131128), (1772, 112554), (1924, 103662), (2028, 98346), (2658, 75036), (2664, 74867), (2886, 69108), (3042, 65564), (3544, 56277), (3848, 51831), (3987, 50024), (4056, 49173), (4329, 46072), (5316, 37518), (5759, 34632), (5772, 34554), (6084, 32782), (6253, 31896), (7974, 25012), (8658, 23036), (10632, 18759), (11518, 17316), (11544, 17277), (12168, 16391), (12506, 15948)]