1821981952115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1103}}^1\times {\mathrm{7481}}^1$

素因数の和:8724

約数の個数: 64

約数和(自身を含む): 2442354647040

約数和(自身を除く): 620372694925

約数列:

[1, 5, 13, 43, 65, 79, 215, 395, 559, 1027, 1103, 2795, 3397, 5135, 5515, 7481, 14339, 16985, 37405, 44161, 47429, 71695, 87137, 97253, 220805, 237145, 321683, 435685, 486265, 590999, 616577, 1132781, 1608415, 2954995, 3082885, 3746891, 4181879, 5663905, 7682987, 8251543, 18734455, 20909395, 25412957, 38414935, 41257715, 48709583, 107270059, 127064785, 243547915, 330368441, 354816349, 536350295, 651871897, 1651842205, 1774081745, 3259359485, 4612612537, 8474334661, 23063062685, 28030491571, 42371673305, 140152457855, 364396390423, 1821981952115]

約数ペア:

[(1, 1821981952115), (5, 364396390423), (13, 140152457855), (43, 42371673305), (65, 28030491571), (79, 23063062685), (215, 8474334661), (395, 4612612537), (559, 3259359485), (1027, 1774081745), (1103, 1651842205), (2795, 651871897), (3397, 536350295), (5135, 354816349), (5515, 330368441), (7481, 243547915), (14339, 127064785), (16985, 107270059), (37405, 48709583), (44161, 41257715), (47429, 38414935), (71695, 25412957), (87137, 20909395), (97253, 18734455), (220805, 8251543), (237145, 7682987), (321683, 5663905), (435685, 4181879), (486265, 3746891), (590999, 3082885), (616577, 2954995), (1132781, 1608415)]