257907516

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1\times {\mathrm{733}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 610394400

約数和(自身を除く): 352486884

約数列:

[1, 2, 3, 4, 6, 12, 109, 218, 269, 327, 436, 538, 654, 733, 807, 1076, 1308, 1466, 1614, 2199, 2932, 3228, 4398, 8796, 29321, 58642, 79897, 87963, 117284, 159794, 175926, 197177, 239691, 319588, 351852, 394354, 479382, 591531, 788708, 958764, 1183062, 2366124, 21492293, 42984586, 64476879, 85969172, 128953758, 257907516]

約数ペア:

[(1, 257907516), (2, 128953758), (3, 85969172), (4, 64476879), (6, 42984586), (12, 21492293), (109, 2366124), (218, 1183062), (269, 958764), (327, 788708), (436, 591531), (538, 479382), (654, 394354), (733, 351852), (807, 319588), (1076, 239691), (1308, 197177), (1466, 175926), (1614, 159794), (2199, 117284), (2932, 87963), (3228, 79897), (4398, 58642), (8796, 29321)]