16428688

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:319

約数の個数: 40

約数和(自身を含む): 32810400

約数和(自身を除く): 16381712

約数列:

[1, 2, 4, 8, 16, 83, 89, 139, 166, 178, 278, 332, 356, 556, 664, 712, 1112, 1328, 1424, 2224, 7387, 11537, 12371, 14774, 23074, 24742, 29548, 46148, 49484, 59096, 92296, 98968, 118192, 184592, 197936, 1026793, 2053586, 4107172, 8214344, 16428688]

約数ペア:

[(1, 16428688), (2, 8214344), (4, 4107172), (8, 2053586), (16, 1026793), (83, 197936), (89, 184592), (139, 118192), (166, 98968), (178, 92296), (278, 59096), (332, 49484), (356, 46148), (556, 29548), (664, 24742), (712, 23074), (1112, 14774), (1328, 12371), (1424, 11537), (2224, 7387)]