1379248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:389

約数の個数: 40

約数和(自身を含む): 3038000

約数和(自身を除く): 1658752

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 349, 494, 698, 988, 1396, 1976, 2792, 3952, 4537, 5584, 6631, 9074, 13262, 18148, 26524, 36296, 53048, 72592, 86203, 106096, 172406, 344812, 689624, 1379248]

約数ペア:

[(1, 1379248), (2, 689624), (4, 344812), (8, 172406), (13, 106096), (16, 86203), (19, 72592), (26, 53048), (38, 36296), (52, 26524), (76, 18148), (104, 13262), (152, 9074), (208, 6631), (247, 5584), (304, 4537), (349, 3952), (494, 2792), (698, 1976), (988, 1396)]