257621936

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1033}}^1$

素因数の和:1174

約数の個数: 80

約数和(自身を含む): 592357920

約数和(自身を除く): 334735984

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 109, 143, 176, 208, 218, 286, 436, 572, 872, 1033, 1144, 1199, 1417, 1744, 2066, 2288, 2398, 2834, 4132, 4796, 5668, 8264, 9592, 11336, 11363, 13429, 15587, 16528, 19184, 22672, 22726, 26858, 31174, 45452, 53716, 62348, 90904, 107432, 112597, 124696, 147719, 181808, 214864, 225194, 249392, 295438, 450388, 590876, 900776, 1181752, 1238567, 1463761, 1801552, 2363504, 2477134, 2927522, 4954268, 5855044, 9908536, 11710088, 16101371, 19817072, 23420176, 32202742, 64405484, 128810968, 257621936]

約数ペア:

[(1, 257621936), (2, 128810968), (4, 64405484), (8, 32202742), (11, 23420176), (13, 19817072), (16, 16101371), (22, 11710088), (26, 9908536), (44, 5855044), (52, 4954268), (88, 2927522), (104, 2477134), (109, 2363504), (143, 1801552), (176, 1463761), (208, 1238567), (218, 1181752), (286, 900776), (436, 590876), (572, 450388), (872, 295438), (1033, 249392), (1144, 225194), (1199, 214864), (1417, 181808), (1744, 147719), (2066, 124696), (2288, 112597), (2398, 107432), (2834, 90904), (4132, 62348), (4796, 53716), (5668, 45452), (8264, 31174), (9592, 26858), (11336, 22726), (11363, 22672), (13429, 19184), (15587, 16528)]