156789325

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1031}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 245698560

約数和(自身を除く): 88909235

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 79, 175, 275, 385, 395, 553, 869, 1031, 1925, 1975, 2765, 4345, 5155, 6083, 7217, 11341, 13825, 21725, 25775, 30415, 36085, 56705, 79387, 81449, 152075, 180425, 283525, 396935, 407245, 570143, 895939, 1984675, 2036225, 2850715, 4479695, 6271573, 14253575, 22398475, 31357865, 156789325]

約数ペア:

[(1, 156789325), (5, 31357865), (7, 22398475), (11, 14253575), (25, 6271573), (35, 4479695), (55, 2850715), (77, 2036225), (79, 1984675), (175, 895939), (275, 570143), (385, 407245), (395, 396935), (553, 283525), (869, 180425), (1031, 152075), (1925, 81449), (1975, 79387), (2765, 56705), (4345, 36085), (5155, 30415), (6083, 25775), (7217, 21725), (11341, 13825)]