388632916

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1321}}^1$

素因数の和:1437

約数の個数: 72

約数和(自身を含む): 843964800

約数和(自身を除く): 455331884

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 79, 98, 133, 158, 196, 266, 316, 532, 553, 931, 1106, 1321, 1501, 1862, 2212, 2642, 3002, 3724, 3871, 5284, 6004, 7742, 9247, 10507, 15484, 18494, 21014, 25099, 36988, 42028, 50198, 64729, 73549, 100396, 104359, 129458, 147098, 175693, 208718, 258916, 294196, 351386, 417436, 702772, 730513, 1229851, 1461026, 1982821, 2459702, 2922052, 3965642, 4919404, 5113591, 7931284, 10227182, 13879747, 20454364, 27759494, 55518988, 97158229, 194316458, 388632916]

約数ペア:

[(1, 388632916), (2, 194316458), (4, 97158229), (7, 55518988), (14, 27759494), (19, 20454364), (28, 13879747), (38, 10227182), (49, 7931284), (76, 5113591), (79, 4919404), (98, 3965642), (133, 2922052), (158, 2459702), (196, 1982821), (266, 1461026), (316, 1229851), (532, 730513), (553, 702772), (931, 417436), (1106, 351386), (1321, 294196), (1501, 258916), (1862, 208718), (2212, 175693), (2642, 147098), (3002, 129458), (3724, 104359), (3871, 100396), (5284, 73549), (6004, 64729), (7742, 50198), (9247, 42028), (10507, 36988), (15484, 25099), (18494, 21014)]