31987098

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 144

約数和(自身を含む): 88504416

約数和(自身を除く): 56517318

約数列:

[1, 2, 3, 6, 9, 11, 13, 17, 18, 22, 26, 33, 34, 39, 43, 51, 66, 78, 86, 99, 102, 117, 129, 143, 153, 187, 198, 221, 234, 258, 286, 289, 306, 374, 387, 429, 442, 473, 559, 561, 578, 663, 731, 774, 858, 867, 946, 1118, 1122, 1287, 1326, 1419, 1462, 1677, 1683, 1734, 1989, 2193, 2431, 2574, 2601, 2838, 3179, 3354, 3366, 3757, 3978, 4257, 4386, 4862, 5031, 5202, 6149, 6358, 6579, 7293, 7514, 8041, 8514, 9503, 9537, 10062, 11271, 12298, 12427, 13158, 14586, 16082, 18447, 19006, 19074, 21879, 22542, 24123, 24854, 28509, 28611, 33813, 36894, 37281, 41327, 43758, 48246, 55341, 57018, 57222, 67626, 72369, 74562, 82654, 85527, 104533, 110682, 111843, 123981, 136697, 144738, 161551, 171054, 209066, 223686, 247962, 273394, 313599, 323102, 371943, 410091, 484653, 627198, 743886, 820182, 940797, 969306, 1230273, 1453959, 1777061, 1881594, 2460546, 2907918, 3554122, 5331183, 10662366, 15993549, 31987098]

約数ペア:

[(1, 31987098), (2, 15993549), (3, 10662366), (6, 5331183), (9, 3554122), (11, 2907918), (13, 2460546), (17, 1881594), (18, 1777061), (22, 1453959), (26, 1230273), (33, 969306), (34, 940797), (39, 820182), (43, 743886), (51, 627198), (66, 484653), (78, 410091), (86, 371943), (99, 323102), (102, 313599), (117, 273394), (129, 247962), (143, 223686), (153, 209066), (187, 171054), (198, 161551), (221, 144738), (234, 136697), (258, 123981), (286, 111843), (289, 110682), (306, 104533), (374, 85527), (387, 82654), (429, 74562), (442, 72369), (473, 67626), (559, 57222), (561, 57018), (578, 55341), (663, 48246), (731, 43758), (774, 41327), (858, 37281), (867, 36894), (946, 33813), (1118, 28611), (1122, 28509), (1287, 24854), (1326, 24123), (1419, 22542), (1462, 21879), (1677, 19074), (1683, 19006), (1734, 18447), (1989, 16082), (2193, 14586), (2431, 13158), (2574, 12427), (2601, 12298), (2838, 11271), (3179, 10062), (3354, 9537), (3366, 9503), (3757, 8514), (3978, 8041), (4257, 7514), (4386, 7293), (4862, 6579), (5031, 6358), (5202, 6149)]