64621921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 82252800

約数和(自身を除く): 17630879

約数列:

[1, 7, 13, 79, 89, 91, 101, 553, 623, 707, 1027, 1157, 1313, 7031, 7189, 7979, 8099, 8989, 9191, 49217, 55853, 62923, 91403, 103727, 116857, 639821, 710131, 726089, 817999, 4970917, 9231703, 64621921]

約数ペア:

[(1, 64621921), (7, 9231703), (13, 4970917), (79, 817999), (89, 726089), (91, 710131), (101, 639821), (553, 116857), (623, 103727), (707, 91403), (1027, 62923), (1157, 55853), (1313, 49217), (7031, 9191), (7189, 8989), (7979, 8099)]