86996988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{881}}^1$

素因数の和:1115

約数の個数: 72

約数和(自身を含む): 238217616

約数和(自身を除く): 151220628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 211, 234, 422, 468, 633, 844, 881, 1266, 1762, 1899, 2532, 2643, 2743, 3524, 3798, 5286, 5486, 7596, 7929, 8229, 10572, 10972, 11453, 15858, 16458, 22906, 24687, 31716, 32916, 34359, 45812, 49374, 68718, 98748, 103077, 137436, 185891, 206154, 371782, 412308, 557673, 743564, 1115346, 1673019, 2230692, 2416583, 3346038, 4833166, 6692076, 7249749, 9666332, 14499498, 21749247, 28998996, 43498494, 86996988]

約数ペア:

[(1, 86996988), (2, 43498494), (3, 28998996), (4, 21749247), (6, 14499498), (9, 9666332), (12, 7249749), (13, 6692076), (18, 4833166), (26, 3346038), (36, 2416583), (39, 2230692), (52, 1673019), (78, 1115346), (117, 743564), (156, 557673), (211, 412308), (234, 371782), (422, 206154), (468, 185891), (633, 137436), (844, 103077), (881, 98748), (1266, 68718), (1762, 49374), (1899, 45812), (2532, 34359), (2643, 32916), (2743, 31716), (3524, 24687), (3798, 22906), (5286, 16458), (5486, 15858), (7596, 11453), (7929, 10972), (8229, 10572)]