2018697555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:349

約数の個数: 128

約数和(自身を含む): 4023613440

約数和(自身を除く): 2004915885

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 89, 97, 105, 119, 131, 255, 267, 291, 357, 393, 445, 485, 595, 623, 655, 679, 917, 1335, 1455, 1513, 1649, 1785, 1869, 1965, 2037, 2227, 2751, 3115, 3395, 4539, 4585, 4947, 6681, 7565, 8245, 8633, 9345, 10185, 10591, 11135, 11543, 11659, 12707, 13755, 15589, 22695, 24735, 25899, 31773, 33405, 34629, 34977, 38121, 43165, 46767, 52955, 57715, 58295, 60431, 63535, 77945, 81613, 88949, 129495, 146761, 158865, 173145, 174885, 181293, 190605, 198203, 216019, 233835, 244839, 266847, 302155, 408065, 440283, 444745, 594609, 648057, 733805, 906465, 991015, 1027327, 1080095, 1130923, 1224195, 1334235, 1387421, 1512133, 2201415, 2973045, 3081981, 3240285, 3392769, 4162263, 4536399, 5136635, 5654615, 6937105, 7560665, 7916461, 15409905, 16963845, 19225691, 20811315, 22681995, 23749383, 39582305, 57677073, 96128455, 118746915, 134579837, 288385365, 403739511, 672899185, 2018697555]

約数ペア:

[(1, 2018697555), (3, 672899185), (5, 403739511), (7, 288385365), (15, 134579837), (17, 118746915), (21, 96128455), (35, 57677073), (51, 39582305), (85, 23749383), (89, 22681995), (97, 20811315), (105, 19225691), (119, 16963845), (131, 15409905), (255, 7916461), (267, 7560665), (291, 6937105), (357, 5654615), (393, 5136635), (445, 4536399), (485, 4162263), (595, 3392769), (623, 3240285), (655, 3081981), (679, 2973045), (917, 2201415), (1335, 1512133), (1455, 1387421), (1513, 1334235), (1649, 1224195), (1785, 1130923), (1869, 1080095), (1965, 1027327), (2037, 991015), (2227, 906465), (2751, 733805), (3115, 648057), (3395, 594609), (4539, 444745), (4585, 440283), (4947, 408065), (6681, 302155), (7565, 266847), (8245, 244839), (8633, 233835), (9345, 216019), (10185, 198203), (10591, 190605), (11135, 181293), (11543, 174885), (11659, 173145), (12707, 158865), (13755, 146761), (15589, 129495), (22695, 88949), (24735, 81613), (25899, 77945), (31773, 63535), (33405, 60431), (34629, 58295), (34977, 57715), (38121, 52955), (43165, 46767)]