81268236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 247123968

約数和(自身を除く): 165855732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 101, 103, 124, 126, 186, 202, 206, 217, 252, 279, 303, 309, 372, 404, 412, 434, 558, 606, 618, 651, 707, 721, 868, 909, 927, 1116, 1212, 1236, 1302, 1414, 1442, 1818, 1854, 1953, 2121, 2163, 2604, 2828, 2884, 3131, 3193, 3636, 3708, 3906, 4242, 4326, 6262, 6363, 6386, 6489, 7812, 8484, 8652, 9393, 9579, 10403, 12524, 12726, 12772, 12978, 18786, 19158, 20806, 21917, 22351, 25452, 25956, 28179, 28737, 31209, 37572, 38316, 41612, 43834, 44702, 56358, 57474, 62418, 65751, 67053, 72821, 87668, 89404, 93627, 112716, 114948, 124836, 131502, 134106, 145642, 187254, 197253, 201159, 218463, 263004, 268212, 291284, 322493, 374508, 394506, 402318, 436926, 644986, 655389, 789012, 804636, 873852, 967479, 1289972, 1310778, 1934958, 2257451, 2621556, 2902437, 3869916, 4514902, 5804874, 6772353, 9029804, 11609748, 13544706, 20317059, 27089412, 40634118, 81268236]

約数ペア:

[(1, 81268236), (2, 40634118), (3, 27089412), (4, 20317059), (6, 13544706), (7, 11609748), (9, 9029804), (12, 6772353), (14, 5804874), (18, 4514902), (21, 3869916), (28, 2902437), (31, 2621556), (36, 2257451), (42, 1934958), (62, 1310778), (63, 1289972), (84, 967479), (93, 873852), (101, 804636), (103, 789012), (124, 655389), (126, 644986), (186, 436926), (202, 402318), (206, 394506), (217, 374508), (252, 322493), (279, 291284), (303, 268212), (309, 263004), (372, 218463), (404, 201159), (412, 197253), (434, 187254), (558, 145642), (606, 134106), (618, 131502), (651, 124836), (707, 114948), (721, 112716), (868, 93627), (909, 89404), (927, 87668), (1116, 72821), (1212, 67053), (1236, 65751), (1302, 62418), (1414, 57474), (1442, 56358), (1818, 44702), (1854, 43834), (1953, 41612), (2121, 38316), (2163, 37572), (2604, 31209), (2828, 28737), (2884, 28179), (3131, 25956), (3193, 25452), (3636, 22351), (3708, 21917), (3906, 20806), (4242, 19158), (4326, 18786), (6262, 12978), (6363, 12772), (6386, 12726), (6489, 12524), (7812, 10403), (8484, 9579), (8652, 9393)]