521000260975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{1277}}^1\times {\mathrm{3067}}^1$

素因数の和:4684

約数の個数: 48

約数和(自身を含む): 686989431648

約数和(自身を除く): 165989170673

約数列:

[1, 5, 17, 25, 85, 313, 425, 1277, 1565, 3067, 5321, 6385, 7825, 15335, 21709, 26605, 31925, 52139, 76675, 108545, 133025, 260695, 399701, 542725, 959971, 1303475, 1998505, 3916559, 4799855, 6794917, 9992525, 16319507, 19582795, 23999275, 33974585, 66581503, 81597535, 97913975, 169872925, 332907515, 407987675, 1225882967, 1664537575, 6129414835, 20840010439, 30647074175, 104200052195, 521000260975]

約数ペア:

[(1, 521000260975), (5, 104200052195), (17, 30647074175), (25, 20840010439), (85, 6129414835), (313, 1664537575), (425, 1225882967), (1277, 407987675), (1565, 332907515), (3067, 169872925), (5321, 97913975), (6385, 81597535), (7825, 66581503), (15335, 33974585), (21709, 23999275), (26605, 19582795), (31925, 16319507), (52139, 9992525), (76675, 6794917), (108545, 4799855), (133025, 3916559), (260695, 1998505), (399701, 1303475), (542725, 959971)]