686465624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{809}}^1$

素因数の和:1068

約数の個数: 64

約数和(自身を含む): 1428840000

約数和(自身を除く): 742374376

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 199, 328, 398, 533, 796, 809, 1066, 1592, 1618, 2132, 2587, 3236, 4264, 5174, 6472, 8159, 10348, 10517, 16318, 20696, 21034, 32636, 33169, 42068, 65272, 66338, 84136, 106067, 132676, 160991, 212134, 265352, 321982, 424268, 431197, 643964, 848536, 862394, 1287928, 1724788, 2092883, 3449576, 4185766, 6600631, 8371532, 13201262, 16743064, 26402524, 52805048, 85808203, 171616406, 343232812, 686465624]

約数ペア:

[(1, 686465624), (2, 343232812), (4, 171616406), (8, 85808203), (13, 52805048), (26, 26402524), (41, 16743064), (52, 13201262), (82, 8371532), (104, 6600631), (164, 4185766), (199, 3449576), (328, 2092883), (398, 1724788), (533, 1287928), (796, 862394), (809, 848536), (1066, 643964), (1592, 431197), (1618, 424268), (2132, 321982), (2587, 265352), (3236, 212134), (4264, 160991), (5174, 132676), (6472, 106067), (8159, 84136), (10348, 66338), (10517, 65272), (16318, 42068), (20696, 33169), (21034, 32636)]