128621916

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1583}}^1$

素因数の和:1691

約数の個数: 72

約数和(自身を含む): 339603264

約数和(自身を除く): 210981348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 61, 74, 111, 122, 148, 183, 222, 244, 333, 366, 444, 549, 666, 732, 1098, 1332, 1583, 2196, 2257, 3166, 4514, 4749, 6332, 6771, 9028, 9498, 13542, 14247, 18996, 20313, 27084, 28494, 40626, 56988, 58571, 81252, 96563, 117142, 175713, 193126, 234284, 289689, 351426, 386252, 527139, 579378, 702852, 869067, 1054278, 1158756, 1738134, 2108556, 3476268, 3572831, 7145662, 10718493, 14291324, 21436986, 32155479, 42873972, 64310958, 128621916]

約数ペア:

[(1, 128621916), (2, 64310958), (3, 42873972), (4, 32155479), (6, 21436986), (9, 14291324), (12, 10718493), (18, 7145662), (36, 3572831), (37, 3476268), (61, 2108556), (74, 1738134), (111, 1158756), (122, 1054278), (148, 869067), (183, 702852), (222, 579378), (244, 527139), (333, 386252), (366, 351426), (444, 289689), (549, 234284), (666, 193126), (732, 175713), (1098, 117142), (1332, 96563), (1583, 81252), (2196, 58571), (2257, 56988), (3166, 40626), (4514, 28494), (4749, 27084), (6332, 20313), (6771, 18996), (9028, 14247), (9498, 13542)]