128734528

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{431}}^1$

素因数の和:815

約数の個数: 56

約数和(自身を含む): 276514560

約数和(自身を除く): 147780032

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 359, 416, 431, 718, 832, 862, 1436, 1724, 2872, 3448, 4667, 5603, 5744, 6896, 9334, 11206, 11488, 13792, 18668, 22412, 22976, 27584, 37336, 44824, 74672, 89648, 149344, 154729, 179296, 298688, 309458, 358592, 618916, 1237832, 2011477, 2475664, 4022954, 4951328, 8045908, 9902656, 16091816, 32183632, 64367264, 128734528]

約数ペア:

[(1, 128734528), (2, 64367264), (4, 32183632), (8, 16091816), (13, 9902656), (16, 8045908), (26, 4951328), (32, 4022954), (52, 2475664), (64, 2011477), (104, 1237832), (208, 618916), (359, 358592), (416, 309458), (431, 298688), (718, 179296), (832, 154729), (862, 149344), (1436, 89648), (1724, 74672), (2872, 44824), (3448, 37336), (4667, 27584), (5603, 22976), (5744, 22412), (6896, 18668), (9334, 13792), (11206, 11488)]