261036308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 524439552

約数和(自身を除く): 263403244

約数列:

[1, 2, 4, 13, 26, 29, 47, 52, 58, 94, 116, 127, 188, 254, 377, 508, 611, 754, 841, 1222, 1363, 1508, 1651, 1682, 2444, 2726, 3302, 3364, 3683, 5452, 5969, 6604, 7366, 10933, 11938, 14732, 17719, 21866, 23876, 35438, 39527, 43732, 47879, 70876, 77597, 79054, 95758, 106807, 155194, 158108, 173101, 191516, 213614, 310388, 346202, 427228, 513851, 692404, 1027702, 1388491, 2055404, 2250313, 2776982, 4500626, 5019929, 5553964, 9001252, 10039858, 20079716, 65259077, 130518154, 261036308]

約数ペア:

[(1, 261036308), (2, 130518154), (4, 65259077), (13, 20079716), (26, 10039858), (29, 9001252), (47, 5553964), (52, 5019929), (58, 4500626), (94, 2776982), (116, 2250313), (127, 2055404), (188, 1388491), (254, 1027702), (377, 692404), (508, 513851), (611, 427228), (754, 346202), (841, 310388), (1222, 213614), (1363, 191516), (1508, 173101), (1651, 158108), (1682, 155194), (2444, 106807), (2726, 95758), (3302, 79054), (3364, 77597), (3683, 70876), (5452, 47879), (5969, 43732), (6604, 39527), (7366, 35438), (10933, 23876), (11938, 21866), (14732, 17719)]