81784144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 183269520

約数和(自身を除く): 101485376

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 101, 104, 136, 202, 208, 221, 229, 272, 404, 442, 458, 808, 884, 916, 1313, 1616, 1717, 1768, 1832, 2626, 2977, 3434, 3536, 3664, 3893, 5252, 5954, 6868, 7786, 10504, 11908, 13736, 15572, 21008, 22321, 23129, 23816, 27472, 31144, 44642, 46258, 47632, 50609, 62288, 89284, 92516, 101218, 178568, 185032, 202436, 300677, 357136, 370064, 393193, 404872, 601354, 786386, 809744, 1202708, 1572772, 2405416, 3145544, 4810832, 5111509, 6291088, 10223018, 20446036, 40892072, 81784144]

約数ペア:

[(1, 81784144), (2, 40892072), (4, 20446036), (8, 10223018), (13, 6291088), (16, 5111509), (17, 4810832), (26, 3145544), (34, 2405416), (52, 1572772), (68, 1202708), (101, 809744), (104, 786386), (136, 601354), (202, 404872), (208, 393193), (221, 370064), (229, 357136), (272, 300677), (404, 202436), (442, 185032), (458, 178568), (808, 101218), (884, 92516), (916, 89284), (1313, 62288), (1616, 50609), (1717, 47632), (1768, 46258), (1832, 44642), (2626, 31144), (2977, 27472), (3434, 23816), (3536, 23129), (3664, 22321), (3893, 21008), (5252, 15572), (5954, 13736), (6868, 11908), (7786, 10504)]