31213116

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 108

約数和(自身を含む): 90581400

約数和(自身を除く): 59368284

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 44, 46, 66, 69, 92, 99, 132, 138, 149, 198, 207, 253, 276, 298, 396, 414, 447, 506, 529, 596, 759, 828, 894, 1012, 1058, 1341, 1518, 1587, 1639, 1788, 2116, 2277, 2682, 3036, 3174, 3278, 3427, 4554, 4761, 4917, 5364, 5819, 6348, 6556, 6854, 9108, 9522, 9834, 10281, 11638, 13708, 14751, 17457, 19044, 19668, 20562, 23276, 29502, 30843, 34914, 37697, 41124, 52371, 59004, 61686, 69828, 75394, 78821, 104742, 113091, 123372, 150788, 157642, 209484, 226182, 236463, 315284, 339273, 452364, 472926, 678546, 709389, 867031, 945852, 1357092, 1418778, 1734062, 2601093, 2837556, 3468124, 5202186, 7803279, 10404372, 15606558, 31213116]

約数ペア:

[(1, 31213116), (2, 15606558), (3, 10404372), (4, 7803279), (6, 5202186), (9, 3468124), (11, 2837556), (12, 2601093), (18, 1734062), (22, 1418778), (23, 1357092), (33, 945852), (36, 867031), (44, 709389), (46, 678546), (66, 472926), (69, 452364), (92, 339273), (99, 315284), (132, 236463), (138, 226182), (149, 209484), (198, 157642), (207, 150788), (253, 123372), (276, 113091), (298, 104742), (396, 78821), (414, 75394), (447, 69828), (506, 61686), (529, 59004), (596, 52371), (759, 41124), (828, 37697), (894, 34914), (1012, 30843), (1058, 29502), (1341, 23276), (1518, 20562), (1587, 19668), (1639, 19044), (1788, 17457), (2116, 14751), (2277, 13708), (2682, 11638), (3036, 10281), (3174, 9834), (3278, 9522), (3427, 9108), (4554, 6854), (4761, 6556), (4917, 6348), (5364, 5819)]