28796908

素因数分解:

$2^2\times 7^3\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 59584000

約数和(自身を除く): 30787092

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 139, 151, 196, 278, 302, 343, 556, 604, 686, 973, 1057, 1372, 1946, 2114, 3892, 4228, 6811, 7399, 13622, 14798, 20989, 27244, 29596, 41978, 47677, 51793, 83956, 95354, 103586, 146923, 190708, 207172, 293846, 587692, 1028461, 2056922, 4113844, 7199227, 14398454, 28796908]

約数ペア:

[(1, 28796908), (2, 14398454), (4, 7199227), (7, 4113844), (14, 2056922), (28, 1028461), (49, 587692), (98, 293846), (139, 207172), (151, 190708), (196, 146923), (278, 103586), (302, 95354), (343, 83956), (556, 51793), (604, 47677), (686, 41978), (973, 29596), (1057, 27244), (1372, 20989), (1946, 14798), (2114, 13622), (3892, 7399), (4228, 6811)]