28295748

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{587}}^1$

素因数の和:713

約数の個数: 72

約数和(自身を含む): 77907648

約数和(自身を除く): 49611900

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 103, 117, 156, 206, 234, 309, 412, 468, 587, 618, 927, 1174, 1236, 1339, 1761, 1854, 2348, 2678, 3522, 3708, 4017, 5283, 5356, 7044, 7631, 8034, 10566, 12051, 15262, 16068, 21132, 22893, 24102, 30524, 45786, 48204, 60461, 68679, 91572, 120922, 137358, 181383, 241844, 274716, 362766, 544149, 725532, 785993, 1088298, 1571986, 2176596, 2357979, 3143972, 4715958, 7073937, 9431916, 14147874, 28295748]

約数ペア:

[(1, 28295748), (2, 14147874), (3, 9431916), (4, 7073937), (6, 4715958), (9, 3143972), (12, 2357979), (13, 2176596), (18, 1571986), (26, 1088298), (36, 785993), (39, 725532), (52, 544149), (78, 362766), (103, 274716), (117, 241844), (156, 181383), (206, 137358), (234, 120922), (309, 91572), (412, 68679), (468, 60461), (587, 48204), (618, 45786), (927, 30524), (1174, 24102), (1236, 22893), (1339, 21132), (1761, 16068), (1854, 15262), (2348, 12051), (2678, 10566), (3522, 8034), (3708, 7631), (4017, 7044), (5283, 5356)]