123154278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 275278080

約数和(自身を除く): 152123802

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 139, 222, 278, 307, 417, 481, 614, 834, 921, 962, 1443, 1807, 1842, 2886, 3614, 3991, 5143, 5421, 7982, 10286, 10842, 11359, 11973, 15429, 22718, 23946, 30858, 34077, 42673, 66859, 68154, 85346, 128019, 133718, 147667, 200577, 256038, 295334, 401154, 443001, 554749, 886002, 1109498, 1578901, 1664247, 3157802, 3328494, 4736703, 9473406, 20525713, 41051426, 61577139, 123154278]

約数ペア:

[(1, 123154278), (2, 61577139), (3, 41051426), (6, 20525713), (13, 9473406), (26, 4736703), (37, 3328494), (39, 3157802), (74, 1664247), (78, 1578901), (111, 1109498), (139, 886002), (222, 554749), (278, 443001), (307, 401154), (417, 295334), (481, 256038), (614, 200577), (834, 147667), (921, 133718), (962, 128019), (1443, 85346), (1807, 68154), (1842, 66859), (2886, 42673), (3614, 34077), (3991, 30858), (5143, 23946), (5421, 22718), (7982, 15429), (10286, 11973), (10842, 11359)]