78219284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 165156768

約数和(自身を除く): 86937484

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 67, 134, 143, 157, 169, 268, 286, 314, 338, 572, 628, 676, 737, 871, 1474, 1727, 1742, 1859, 2041, 2948, 3454, 3484, 3718, 4082, 6908, 7436, 8164, 9581, 10519, 11323, 19162, 21038, 22451, 22646, 26533, 38324, 42076, 44902, 45292, 53066, 89804, 106132, 115709, 124553, 136747, 231418, 249106, 273494, 291863, 462836, 498212, 546988, 583726, 1167452, 1504217, 1777711, 3008434, 3555422, 6016868, 7110844, 19554821, 39109642, 78219284]

約数ペア:

[(1, 78219284), (2, 39109642), (4, 19554821), (11, 7110844), (13, 6016868), (22, 3555422), (26, 3008434), (44, 1777711), (52, 1504217), (67, 1167452), (134, 583726), (143, 546988), (157, 498212), (169, 462836), (268, 291863), (286, 273494), (314, 249106), (338, 231418), (572, 136747), (628, 124553), (676, 115709), (737, 106132), (871, 89804), (1474, 53066), (1727, 45292), (1742, 44902), (1859, 42076), (2041, 38324), (2948, 26533), (3454, 22646), (3484, 22451), (3718, 21038), (4082, 19162), (6908, 11323), (7436, 10519), (8164, 9581)]