25018578

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 60520320

約数和(自身を除く): 35501742

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 157, 227, 234, 314, 351, 454, 471, 681, 702, 942, 1362, 1413, 2041, 2043, 2826, 2951, 4082, 4086, 4239, 5902, 6123, 6129, 8478, 8853, 12246, 12258, 17706, 18369, 26559, 35639, 36738, 53118, 55107, 71278, 79677, 106917, 110214, 159354, 213834, 320751, 463307, 641502, 926614, 962253, 1389921, 1924506, 2779842, 4169763, 8339526, 12509289, 25018578]

約数ペア:

[(1, 25018578), (2, 12509289), (3, 8339526), (6, 4169763), (9, 2779842), (13, 1924506), (18, 1389921), (26, 962253), (27, 926614), (39, 641502), (54, 463307), (78, 320751), (117, 213834), (157, 159354), (227, 110214), (234, 106917), (314, 79677), (351, 71278), (454, 55107), (471, 53118), (681, 36738), (702, 35639), (942, 26559), (1362, 18369), (1413, 17706), (2041, 12258), (2043, 12246), (2826, 8853), (2951, 8478), (4082, 6129), (4086, 6123), (4239, 5902)]