28397712

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{379}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 84439040

約数和(自身を除く): 56041328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 223, 336, 379, 446, 669, 758, 892, 1137, 1338, 1516, 1561, 1784, 2274, 2653, 2676, 3032, 3122, 3568, 4548, 4683, 5306, 5352, 6064, 6244, 7959, 9096, 9366, 10612, 10704, 12488, 15918, 18192, 18732, 21224, 24976, 31836, 37464, 42448, 63672, 74928, 84517, 127344, 169034, 253551, 338068, 507102, 591619, 676136, 1014204, 1183238, 1352272, 1774857, 2028408, 2366476, 3549714, 4056816, 4732952, 7099428, 9465904, 14198856, 28397712]

約数ペア:

[(1, 28397712), (2, 14198856), (3, 9465904), (4, 7099428), (6, 4732952), (7, 4056816), (8, 3549714), (12, 2366476), (14, 2028408), (16, 1774857), (21, 1352272), (24, 1183238), (28, 1014204), (42, 676136), (48, 591619), (56, 507102), (84, 338068), (112, 253551), (168, 169034), (223, 127344), (336, 84517), (379, 74928), (446, 63672), (669, 42448), (758, 37464), (892, 31836), (1137, 24976), (1338, 21224), (1516, 18732), (1561, 18192), (1784, 15918), (2274, 12488), (2653, 10704), (2676, 10612), (3032, 9366), (3122, 9096), (3568, 7959), (4548, 6244), (4683, 6064), (5306, 5352)]