208221104

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1723}}^1$

素因数の和:1834

約数の個数: 80

約数和(自身を含む): 502801152

約数和(自身を除く): 294580048

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 83, 91, 104, 112, 166, 182, 208, 332, 364, 581, 664, 728, 1079, 1162, 1328, 1456, 1723, 2158, 2324, 3446, 4316, 4648, 6892, 7553, 8632, 9296, 12061, 13784, 15106, 17264, 22399, 24122, 27568, 30212, 44798, 48244, 60424, 89596, 96488, 120848, 143009, 156793, 179192, 192976, 286018, 313586, 358384, 572036, 627172, 1001063, 1144072, 1254344, 1859117, 2002126, 2288144, 2508688, 3718234, 4004252, 7436468, 8008504, 13013819, 14872936, 16017008, 26027638, 29745872, 52055276, 104110552, 208221104]

約数ペア:

[(1, 208221104), (2, 104110552), (4, 52055276), (7, 29745872), (8, 26027638), (13, 16017008), (14, 14872936), (16, 13013819), (26, 8008504), (28, 7436468), (52, 4004252), (56, 3718234), (83, 2508688), (91, 2288144), (104, 2002126), (112, 1859117), (166, 1254344), (182, 1144072), (208, 1001063), (332, 627172), (364, 572036), (581, 358384), (664, 313586), (728, 286018), (1079, 192976), (1162, 179192), (1328, 156793), (1456, 143009), (1723, 120848), (2158, 96488), (2324, 89596), (3446, 60424), (4316, 48244), (4648, 44798), (6892, 30212), (7553, 27568), (8632, 24122), (9296, 22399), (12061, 17264), (13784, 15106)]