28455388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 57294720

約数和(自身を除く): 28839332

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 83, 166, 247, 332, 347, 494, 694, 988, 1079, 1388, 1577, 2158, 3154, 4316, 4511, 6308, 6593, 9022, 13186, 18044, 20501, 26372, 28801, 41002, 57602, 82004, 85709, 115204, 171418, 342836, 374413, 547219, 748826, 1094438, 1497652, 2188876, 7113847, 14227694, 28455388]

約数ペア:

[(1, 28455388), (2, 14227694), (4, 7113847), (13, 2188876), (19, 1497652), (26, 1094438), (38, 748826), (52, 547219), (76, 374413), (83, 342836), (166, 171418), (247, 115204), (332, 85709), (347, 82004), (494, 57602), (694, 41002), (988, 28801), (1079, 26372), (1388, 20501), (1577, 18044), (2158, 13186), (3154, 9022), (4316, 6593), (4511, 6308)]