291215288

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1303}}^1$

素因数の和:1636

約数の個数: 64

約数和(自身を含む): 674741760

約数和(自身を除く): 383526472

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 307, 364, 614, 728, 1228, 1303, 2149, 2456, 2606, 3991, 4298, 5212, 7982, 8596, 9121, 10424, 15964, 16939, 17192, 18242, 27937, 31928, 33878, 36484, 55874, 67756, 72968, 111748, 118573, 135512, 223496, 237146, 400021, 474292, 800042, 948584, 1600084, 2800147, 3200168, 5200273, 5600294, 10400546, 11200588, 20801092, 22401176, 36401911, 41602184, 72803822, 145607644, 291215288]

約数ペア:

[(1, 291215288), (2, 145607644), (4, 72803822), (7, 41602184), (8, 36401911), (13, 22401176), (14, 20801092), (26, 11200588), (28, 10400546), (52, 5600294), (56, 5200273), (91, 3200168), (104, 2800147), (182, 1600084), (307, 948584), (364, 800042), (614, 474292), (728, 400021), (1228, 237146), (1303, 223496), (2149, 135512), (2456, 118573), (2606, 111748), (3991, 72968), (4298, 67756), (5212, 55874), (7982, 36484), (8596, 33878), (9121, 31928), (10424, 27937), (15964, 18242), (16939, 17192)]