256965982

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{157}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 528437952

約数和(自身を除く): 271471970

約数列:

[1, 2, 7, 13, 14, 17, 23, 26, 34, 46, 91, 119, 157, 161, 182, 221, 238, 299, 314, 322, 391, 442, 529, 598, 782, 1058, 1099, 1547, 2041, 2093, 2198, 2669, 2737, 3094, 3611, 3703, 4082, 4186, 5083, 5338, 5474, 6877, 7222, 7406, 8993, 10166, 13754, 14287, 17986, 18683, 25277, 28574, 34697, 35581, 37366, 46943, 48139, 50554, 61387, 62951, 69394, 71162, 83053, 93886, 96278, 116909, 122774, 125902, 166106, 233818, 242879, 328601, 429709, 485758, 581371, 657202, 798031, 818363, 859418, 1079689, 1162742, 1411901, 1596062, 1636726, 2159378, 2823802, 5586217, 7557823, 9883307, 11172434, 15115646, 18354713, 19766614, 36709426, 128482991, 256965982]

約数ペア:

[(1, 256965982), (2, 128482991), (7, 36709426), (13, 19766614), (14, 18354713), (17, 15115646), (23, 11172434), (26, 9883307), (34, 7557823), (46, 5586217), (91, 2823802), (119, 2159378), (157, 1636726), (161, 1596062), (182, 1411901), (221, 1162742), (238, 1079689), (299, 859418), (314, 818363), (322, 798031), (391, 657202), (442, 581371), (529, 485758), (598, 429709), (782, 328601), (1058, 242879), (1099, 233818), (1547, 166106), (2041, 125902), (2093, 122774), (2198, 116909), (2669, 96278), (2737, 93886), (3094, 83053), (3611, 71162), (3703, 69394), (4082, 62951), (4186, 61387), (5083, 50554), (5338, 48139), (5474, 46943), (6877, 37366), (7222, 35581), (7406, 34697), (8993, 28574), (10166, 25277), (13754, 18683), (14287, 17986)]