25181964

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1839

約数の個数: 72

約数和(自身を含む): 70368480

約数和(自身を除く): 45186516

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 34, 36, 46, 51, 68, 69, 92, 102, 138, 153, 204, 207, 276, 306, 391, 414, 612, 782, 828, 1173, 1564, 1789, 2346, 3519, 3578, 4692, 5367, 7038, 7156, 10734, 14076, 16101, 21468, 30413, 32202, 41147, 60826, 64404, 82294, 91239, 121652, 123441, 164588, 182478, 246882, 273717, 364956, 370323, 493764, 547434, 699499, 740646, 1094868, 1398998, 1481292, 2098497, 2797996, 4196994, 6295491, 8393988, 12590982, 25181964]

約数ペア:

[(1, 25181964), (2, 12590982), (3, 8393988), (4, 6295491), (6, 4196994), (9, 2797996), (12, 2098497), (17, 1481292), (18, 1398998), (23, 1094868), (34, 740646), (36, 699499), (46, 547434), (51, 493764), (68, 370323), (69, 364956), (92, 273717), (102, 246882), (138, 182478), (153, 164588), (204, 123441), (207, 121652), (276, 91239), (306, 82294), (391, 64404), (414, 60826), (612, 41147), (782, 32202), (828, 30413), (1173, 21468), (1564, 16101), (1789, 14076), (2346, 10734), (3519, 7156), (3578, 7038), (4692, 5367)]