2047700005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 2900136960

約数和(自身を除く): 852436955

約数列:

[1, 5, 13, 23, 29, 65, 73, 115, 145, 299, 365, 377, 647, 667, 949, 1495, 1679, 1885, 2117, 3235, 3335, 4745, 8395, 8411, 8671, 10585, 14881, 18763, 21827, 27521, 42055, 43355, 47231, 48691, 74405, 93815, 109135, 137605, 193453, 236155, 243455, 243919, 431549, 614003, 632983, 967265, 1086313, 1219595, 1369699, 2157745, 3070015, 3164915, 5431565, 5610137, 6848495, 14122069, 17806087, 28050685, 31503077, 70610345, 89030435, 157515385, 409540001, 2047700005]

約数ペア:

[(1, 2047700005), (5, 409540001), (13, 157515385), (23, 89030435), (29, 70610345), (65, 31503077), (73, 28050685), (115, 17806087), (145, 14122069), (299, 6848495), (365, 5610137), (377, 5431565), (647, 3164915), (667, 3070015), (949, 2157745), (1495, 1369699), (1679, 1219595), (1885, 1086313), (2117, 967265), (3235, 632983), (3335, 614003), (4745, 431549), (8395, 243919), (8411, 243455), (8671, 236155), (10585, 193453), (14881, 137605), (18763, 109135), (21827, 93815), (27521, 74405), (42055, 48691), (43355, 47231)]