505890267

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 779756544

約数和(自身を除く): 273866277

約数列:

[1, 3, 17, 23, 41, 51, 67, 69, 123, 157, 201, 391, 471, 697, 943, 1139, 1173, 1541, 2091, 2669, 2747, 2829, 3417, 3611, 4623, 6437, 8007, 8241, 10519, 10833, 16031, 19311, 26197, 31557, 46699, 48093, 61387, 63181, 78591, 109429, 140097, 148051, 178823, 184161, 189543, 241937, 328287, 431279, 444153, 536469, 725811, 1074077, 1293837, 2516867, 3222231, 4112929, 7331743, 7550601, 9919417, 12338787, 21995229, 29758251, 168630089, 505890267]

約数ペア:

[(1, 505890267), (3, 168630089), (17, 29758251), (23, 21995229), (41, 12338787), (51, 9919417), (67, 7550601), (69, 7331743), (123, 4112929), (157, 3222231), (201, 2516867), (391, 1293837), (471, 1074077), (697, 725811), (943, 536469), (1139, 444153), (1173, 431279), (1541, 328287), (2091, 241937), (2669, 189543), (2747, 184161), (2829, 178823), (3417, 148051), (3611, 140097), (4623, 109429), (6437, 78591), (8007, 63181), (8241, 61387), (10519, 48093), (10833, 46699), (16031, 31557), (19311, 26197)]