215996860784

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1091}}^1\times {\mathrm{1861}}^1$

素因数の和:3130

約数の個数: 80

約数和(自身を含む): 429881131680

約数和(自身を除く): 213884270896

約数列:

[1, 2, 4, 8, 16, 61, 109, 122, 218, 244, 436, 488, 872, 976, 1091, 1744, 1861, 2182, 3722, 4364, 6649, 7444, 8728, 13298, 14888, 17456, 26596, 29776, 53192, 66551, 106384, 113521, 118919, 133102, 202849, 227042, 237838, 266204, 405698, 454084, 475676, 532408, 811396, 908168, 951352, 1064816, 1622792, 1816336, 1902704, 2030351, 3245584, 4060702, 7254059, 8121404, 12373789, 14508118, 16242808, 24747578, 29016236, 32485616, 49495156, 58032472, 98990312, 116064944, 123851411, 197980624, 221308259, 247702822, 442616518, 495405644, 885233036, 990811288, 1770466072, 1981622576, 3540932144, 13499803799, 26999607598, 53999215196, 107998430392, 215996860784]

約数ペア:

[(1, 215996860784), (2, 107998430392), (4, 53999215196), (8, 26999607598), (16, 13499803799), (61, 3540932144), (109, 1981622576), (122, 1770466072), (218, 990811288), (244, 885233036), (436, 495405644), (488, 442616518), (872, 247702822), (976, 221308259), (1091, 197980624), (1744, 123851411), (1861, 116064944), (2182, 98990312), (3722, 58032472), (4364, 49495156), (6649, 32485616), (7444, 29016236), (8728, 24747578), (13298, 16242808), (14888, 14508118), (17456, 12373789), (26596, 8121404), (29776, 7254059), (53192, 4060702), (66551, 3245584), (106384, 2030351), (113521, 1902704), (118919, 1816336), (133102, 1622792), (202849, 1064816), (227042, 951352), (237838, 908168), (266204, 811396), (405698, 532408), (454084, 475676)]