168511252

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 368928000

約数和(自身を除く): 200416748

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 149, 169, 182, 239, 298, 338, 364, 478, 596, 676, 956, 1043, 1183, 1673, 1937, 2086, 2366, 3107, 3346, 3874, 4172, 4732, 6214, 6692, 7748, 12428, 13559, 21749, 25181, 27118, 35611, 40391, 43498, 50362, 54236, 71222, 80782, 86996, 100724, 142444, 161564, 176267, 249277, 282737, 352534, 462943, 498554, 565474, 705068, 925886, 997108, 1130948, 1851772, 3240601, 6018259, 6481202, 12036518, 12962404, 24073036, 42127813, 84255626, 168511252]

約数ペア:

[(1, 168511252), (2, 84255626), (4, 42127813), (7, 24073036), (13, 12962404), (14, 12036518), (26, 6481202), (28, 6018259), (52, 3240601), (91, 1851772), (149, 1130948), (169, 997108), (182, 925886), (239, 705068), (298, 565474), (338, 498554), (364, 462943), (478, 352534), (596, 282737), (676, 249277), (956, 176267), (1043, 161564), (1183, 142444), (1673, 100724), (1937, 86996), (2086, 80782), (2366, 71222), (3107, 54236), (3346, 50362), (3874, 43498), (4172, 40391), (4732, 35611), (6214, 27118), (6692, 25181), (7748, 21749), (12428, 13559)]