78877266

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 176606976

約数和(自身を除く): 97729710

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 151, 181, 222, 302, 362, 453, 481, 543, 906, 962, 1086, 1443, 1963, 2353, 2886, 3926, 4706, 5587, 5889, 6697, 7059, 11174, 11778, 13394, 14118, 16761, 20091, 27331, 33522, 40182, 54662, 72631, 81993, 87061, 145262, 163986, 174122, 217893, 261183, 355303, 435786, 522366, 710606, 1011247, 1065909, 2022494, 2131818, 3033741, 6067482, 13146211, 26292422, 39438633, 78877266]

約数ペア:

[(1, 78877266), (2, 39438633), (3, 26292422), (6, 13146211), (13, 6067482), (26, 3033741), (37, 2131818), (39, 2022494), (74, 1065909), (78, 1011247), (111, 710606), (151, 522366), (181, 435786), (222, 355303), (302, 261183), (362, 217893), (453, 174122), (481, 163986), (543, 145262), (906, 87061), (962, 81993), (1086, 72631), (1443, 54662), (1963, 40182), (2353, 33522), (2886, 27331), (3926, 20091), (4706, 16761), (5587, 14118), (5889, 13394), (6697, 11778), (7059, 11174)]