408931812

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^2\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:362

約数の個数: 108

約数和(自身を含む): 1096034940

約数和(自身を除く): 687103128

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 109, 138, 197, 207, 218, 276, 327, 394, 414, 436, 529, 591, 654, 788, 828, 981, 1058, 1182, 1308, 1587, 1773, 1962, 2116, 2364, 2507, 3174, 3546, 3924, 4531, 4761, 5014, 6348, 7092, 7521, 9062, 9522, 10028, 13593, 15042, 18124, 19044, 21473, 22563, 27186, 30084, 40779, 42946, 45126, 54372, 57661, 64419, 81558, 85892, 90252, 104213, 115322, 128838, 163116, 172983, 193257, 208426, 230644, 257676, 312639, 345966, 386514, 416852, 493879, 518949, 625278, 691932, 773028, 937917, 987758, 1037898, 1250556, 1481637, 1875834, 1975516, 2075796, 2963274, 3751668, 4444911, 5926548, 8889822, 11359217, 17779644, 22718434, 34077651, 45436868, 68155302, 102232953, 136310604, 204465906, 408931812]

約数ペア:

[(1, 408931812), (2, 204465906), (3, 136310604), (4, 102232953), (6, 68155302), (9, 45436868), (12, 34077651), (18, 22718434), (23, 17779644), (36, 11359217), (46, 8889822), (69, 5926548), (92, 4444911), (109, 3751668), (138, 2963274), (197, 2075796), (207, 1975516), (218, 1875834), (276, 1481637), (327, 1250556), (394, 1037898), (414, 987758), (436, 937917), (529, 773028), (591, 691932), (654, 625278), (788, 518949), (828, 493879), (981, 416852), (1058, 386514), (1182, 345966), (1308, 312639), (1587, 257676), (1773, 230644), (1962, 208426), (2116, 193257), (2364, 172983), (2507, 163116), (3174, 128838), (3546, 115322), (3924, 104213), (4531, 90252), (4761, 85892), (5014, 81558), (6348, 64419), (7092, 57661), (7521, 54372), (9062, 45126), (9522, 42946), (10028, 40779), (13593, 30084), (15042, 27186), (18124, 22563), (19044, 21473)]