31609188

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 94938480

約数和(自身を除く): 63329292

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 29, 34, 36, 39, 51, 52, 58, 68, 78, 87, 102, 116, 117, 137, 153, 156, 174, 204, 221, 234, 261, 274, 306, 348, 377, 411, 442, 468, 493, 522, 548, 612, 663, 754, 822, 884, 986, 1044, 1131, 1233, 1326, 1479, 1508, 1644, 1781, 1972, 1989, 2262, 2329, 2466, 2652, 2958, 3393, 3562, 3973, 3978, 4437, 4524, 4658, 4932, 5343, 5916, 6409, 6786, 6987, 7124, 7946, 7956, 8874, 9316, 10686, 11919, 12818, 13572, 13974, 15892, 16029, 17748, 19227, 20961, 21372, 23838, 25636, 27948, 30277, 32058, 35757, 38454, 41922, 47676, 51649, 57681, 60554, 64116, 67541, 71514, 76908, 83844, 90831, 103298, 115362, 121108, 135082, 143028, 154947, 181662, 202623, 206596, 230724, 270164, 272493, 309894, 363324, 405246, 464841, 544986, 607869, 619788, 810492, 878033, 929682, 1089972, 1215738, 1756066, 1859364, 2431476, 2634099, 3512132, 5268198, 7902297, 10536396, 15804594, 31609188]

約数ペア:

[(1, 31609188), (2, 15804594), (3, 10536396), (4, 7902297), (6, 5268198), (9, 3512132), (12, 2634099), (13, 2431476), (17, 1859364), (18, 1756066), (26, 1215738), (29, 1089972), (34, 929682), (36, 878033), (39, 810492), (51, 619788), (52, 607869), (58, 544986), (68, 464841), (78, 405246), (87, 363324), (102, 309894), (116, 272493), (117, 270164), (137, 230724), (153, 206596), (156, 202623), (174, 181662), (204, 154947), (221, 143028), (234, 135082), (261, 121108), (274, 115362), (306, 103298), (348, 90831), (377, 83844), (411, 76908), (442, 71514), (468, 67541), (493, 64116), (522, 60554), (548, 57681), (612, 51649), (663, 47676), (754, 41922), (822, 38454), (884, 35757), (986, 32058), (1044, 30277), (1131, 27948), (1233, 25636), (1326, 23838), (1479, 21372), (1508, 20961), (1644, 19227), (1781, 17748), (1972, 16029), (1989, 15892), (2262, 13974), (2329, 13572), (2466, 12818), (2652, 11919), (2958, 10686), (3393, 9316), (3562, 8874), (3973, 7956), (3978, 7946), (4437, 7124), (4524, 6987), (4658, 6786), (4932, 6409), (5343, 5916)]