662906985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:858

約数の個数: 64

約数和(自身を含む): 1183338240

約数和(自身を除く): 520431255

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 139, 185, 195, 417, 481, 555, 661, 695, 1443, 1807, 1983, 2085, 2405, 3305, 5143, 5421, 7215, 8593, 9035, 9915, 15429, 24457, 25715, 25779, 27105, 42965, 66859, 73371, 77145, 91879, 122285, 128895, 200577, 275637, 317941, 334295, 366855, 459395, 953823, 1002885, 1194427, 1378185, 1589705, 3399523, 3583281, 4769115, 5972135, 10198569, 16997615, 17916405, 44193799, 50992845, 132581397, 220968995, 662906985]

約数ペア:

[(1, 662906985), (3, 220968995), (5, 132581397), (13, 50992845), (15, 44193799), (37, 17916405), (39, 16997615), (65, 10198569), (111, 5972135), (139, 4769115), (185, 3583281), (195, 3399523), (417, 1589705), (481, 1378185), (555, 1194427), (661, 1002885), (695, 953823), (1443, 459395), (1807, 366855), (1983, 334295), (2085, 317941), (2405, 275637), (3305, 200577), (5143, 128895), (5421, 122285), (7215, 91879), (8593, 77145), (9035, 73371), (9915, 66859), (15429, 42965), (24457, 27105), (25715, 25779)]