281908458

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{1283}}^1$

素因数の和:1620

約数の個数: 64

約数和(自身を含む): 677335680

約数和(自身を除く): 395427222

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 313, 351, 626, 702, 939, 1283, 1878, 2566, 2817, 3849, 4069, 5634, 7698, 8138, 8451, 11547, 12207, 16679, 16902, 23094, 24414, 33358, 34641, 36621, 50037, 69282, 73242, 100074, 109863, 150111, 219726, 300222, 401579, 450333, 803158, 900666, 1204737, 2409474, 3614211, 5220527, 7228422, 10441054, 10842633, 15661581, 21685266, 31323162, 46984743, 93969486, 140954229, 281908458]

約数ペア:

[(1, 281908458), (2, 140954229), (3, 93969486), (6, 46984743), (9, 31323162), (13, 21685266), (18, 15661581), (26, 10842633), (27, 10441054), (39, 7228422), (54, 5220527), (78, 3614211), (117, 2409474), (234, 1204737), (313, 900666), (351, 803158), (626, 450333), (702, 401579), (939, 300222), (1283, 219726), (1878, 150111), (2566, 109863), (2817, 100074), (3849, 73242), (4069, 69282), (5634, 50037), (7698, 36621), (8138, 34641), (8451, 33358), (11547, 24414), (12207, 23094), (16679, 16902)]