25628573425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{363397}}^1$

素因数の和:363458

約数の個数: 48

約数和(自身を含む): 40374971392

約数和(自身を除く): 14746397967

約数列:

[1, 5, 7, 13, 25, 31, 35, 65, 91, 155, 175, 217, 325, 403, 455, 775, 1085, 2015, 2275, 2821, 5425, 10075, 14105, 70525, 363397, 1816985, 2543779, 4724161, 9084925, 11265307, 12718895, 23620805, 33069127, 56326535, 63594475, 78857149, 118104025, 146448991, 165345635, 281632675, 394285745, 732244955, 826728175, 1025142937, 1971428725, 3661224775, 5125714685, 25628573425]

約数ペア:

[(1, 25628573425), (5, 5125714685), (7, 3661224775), (13, 1971428725), (25, 1025142937), (31, 826728175), (35, 732244955), (65, 394285745), (91, 281632675), (155, 165345635), (175, 146448991), (217, 118104025), (325, 78857149), (403, 63594475), (455, 56326535), (775, 33069127), (1085, 23620805), (2015, 12718895), (2275, 11265307), (2821, 9084925), (5425, 4724161), (10075, 2543779), (14105, 1816985), (70525, 363397)]