16008642

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2$

素因数の和:144

約数の個数: 72

約数和(自身を含む): 39275964

約数和(自身を除く): 23267322

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 43, 74, 78, 86, 111, 117, 129, 222, 234, 258, 333, 387, 481, 559, 666, 774, 962, 1118, 1443, 1591, 1677, 1849, 2886, 3182, 3354, 3698, 4329, 4773, 5031, 5547, 8658, 9546, 10062, 11094, 14319, 16641, 20683, 24037, 28638, 33282, 41366, 48074, 62049, 68413, 72111, 124098, 136826, 144222, 186147, 205239, 216333, 372294, 410478, 432666, 615717, 889369, 1231434, 1778738, 2668107, 5336214, 8004321, 16008642]

約数ペア:

[(1, 16008642), (2, 8004321), (3, 5336214), (6, 2668107), (9, 1778738), (13, 1231434), (18, 889369), (26, 615717), (37, 432666), (39, 410478), (43, 372294), (74, 216333), (78, 205239), (86, 186147), (111, 144222), (117, 136826), (129, 124098), (222, 72111), (234, 68413), (258, 62049), (333, 48074), (387, 41366), (481, 33282), (559, 28638), (666, 24037), (774, 20683), (962, 16641), (1118, 14319), (1443, 11094), (1591, 10062), (1677, 9546), (1849, 8658), (2886, 5547), (3182, 5031), (3354, 4773), (3698, 4329)]