28346292

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1637}}^1$

素因数の和:1697

約数の個数: 72

約数和(自身を含む): 79298856

約数和(自身を除く): 50952564

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 444, 468, 481, 666, 962, 1332, 1443, 1637, 1924, 2886, 3274, 4329, 4911, 5772, 6548, 8658, 9822, 14733, 17316, 19644, 21281, 29466, 42562, 58932, 60569, 63843, 85124, 121138, 127686, 181707, 191529, 242276, 255372, 363414, 383058, 545121, 726828, 766116, 787397, 1090242, 1574794, 2180484, 2362191, 3149588, 4724382, 7086573, 9448764, 14173146, 28346292]

約数ペア:

[(1, 28346292), (2, 14173146), (3, 9448764), (4, 7086573), (6, 4724382), (9, 3149588), (12, 2362191), (13, 2180484), (18, 1574794), (26, 1090242), (36, 787397), (37, 766116), (39, 726828), (52, 545121), (74, 383058), (78, 363414), (111, 255372), (117, 242276), (148, 191529), (156, 181707), (222, 127686), (234, 121138), (333, 85124), (444, 63843), (468, 60569), (481, 58932), (666, 42562), (962, 29466), (1332, 21281), (1443, 19644), (1637, 17316), (1924, 14733), (2886, 9822), (3274, 8658), (4329, 6548), (4911, 5772)]