1388577551

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{547}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 1579292160

約数和(自身を除く): 190714609

約数列:

[1, 19, 23, 37, 157, 437, 547, 703, 851, 2983, 3611, 5809, 10393, 12581, 16169, 20239, 68609, 85879, 110371, 133607, 239039, 384541, 465497, 1631701, 1975217, 2538533, 3177523, 8844443, 37529123, 60372937, 73083029, 1388577551]

約数ペア:

[(1, 1388577551), (19, 73083029), (23, 60372937), (37, 37529123), (157, 8844443), (437, 3177523), (547, 2538533), (703, 1975217), (851, 1631701), (2983, 465497), (3611, 384541), (5809, 239039), (10393, 133607), (12581, 110371), (16169, 85879), (20239, 68609)]