86253475

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 140200848

約数和(自身を除く): 53947373

約数列:

[1, 5, 7, 11, 25, 35, 37, 49, 55, 77, 173, 175, 185, 245, 259, 275, 385, 407, 539, 865, 925, 1211, 1225, 1295, 1813, 1903, 1925, 2035, 2695, 2849, 4325, 6055, 6401, 6475, 8477, 9065, 9515, 10175, 13321, 13475, 14245, 19943, 30275, 32005, 42385, 44807, 45325, 47575, 66605, 70411, 71225, 93247, 99715, 160025, 211925, 224035, 313649, 333025, 352055, 466235, 492877, 498575, 1120175, 1568245, 1760275, 2331175, 2464385, 3450139, 7841225, 12321925, 17250695, 86253475]

約数ペア:

[(1, 86253475), (5, 17250695), (7, 12321925), (11, 7841225), (25, 3450139), (35, 2464385), (37, 2331175), (49, 1760275), (55, 1568245), (77, 1120175), (173, 498575), (175, 492877), (185, 466235), (245, 352055), (259, 333025), (275, 313649), (385, 224035), (407, 211925), (539, 160025), (865, 99715), (925, 93247), (1211, 71225), (1225, 70411), (1295, 66605), (1813, 47575), (1903, 45325), (1925, 44807), (2035, 42385), (2695, 32005), (2849, 30275), (4325, 19943), (6055, 14245), (6401, 13475), (6475, 13321), (8477, 10175), (9065, 9515)]