257178456

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{51767}}^1$

素因数の和:51805

約数の個数: 64

約数和(自身を含む): 745459200

約数和(自身を除く): 488280744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 92, 108, 138, 184, 207, 216, 276, 414, 552, 621, 828, 1242, 1656, 2484, 4968, 51767, 103534, 155301, 207068, 310602, 414136, 465903, 621204, 931806, 1190641, 1242408, 1397709, 1863612, 2381282, 2795418, 3571923, 3727224, 4762564, 5590836, 7143846, 9525128, 10715769, 11181672, 14287692, 21431538, 28575384, 32147307, 42863076, 64294614, 85726152, 128589228, 257178456]

約数ペア:

[(1, 257178456), (2, 128589228), (3, 85726152), (4, 64294614), (6, 42863076), (8, 32147307), (9, 28575384), (12, 21431538), (18, 14287692), (23, 11181672), (24, 10715769), (27, 9525128), (36, 7143846), (46, 5590836), (54, 4762564), (69, 3727224), (72, 3571923), (92, 2795418), (108, 2381282), (138, 1863612), (184, 1397709), (207, 1242408), (216, 1190641), (276, 931806), (414, 621204), (552, 465903), (621, 414136), (828, 310602), (1242, 207068), (1656, 155301), (2484, 103534), (4968, 51767)]