131789556

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{439}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 345945600

約数和(自身を除く): 214156044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 269, 279, 372, 439, 538, 558, 807, 878, 1076, 1116, 1317, 1614, 1756, 2421, 2634, 3228, 3951, 4842, 5268, 7902, 8339, 9684, 13609, 15804, 16678, 25017, 27218, 33356, 40827, 50034, 54436, 75051, 81654, 100068, 118091, 122481, 150102, 163308, 236182, 244962, 300204, 354273, 472364, 489924, 708546, 1062819, 1417092, 2125638, 3660821, 4251276, 7321642, 10982463, 14643284, 21964926, 32947389, 43929852, 65894778, 131789556]

約数ペア:

[(1, 131789556), (2, 65894778), (3, 43929852), (4, 32947389), (6, 21964926), (9, 14643284), (12, 10982463), (18, 7321642), (31, 4251276), (36, 3660821), (62, 2125638), (93, 1417092), (124, 1062819), (186, 708546), (269, 489924), (279, 472364), (372, 354273), (439, 300204), (538, 244962), (558, 236182), (807, 163308), (878, 150102), (1076, 122481), (1116, 118091), (1317, 100068), (1614, 81654), (1756, 75051), (2421, 54436), (2634, 50034), (3228, 40827), (3951, 33356), (4842, 27218), (5268, 25017), (7902, 16678), (8339, 15804), (9684, 13609)]