51239292

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^2$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 137316816

約数和(自身を除く): 86077524

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 139, 156, 204, 221, 278, 417, 442, 556, 663, 834, 884, 1326, 1668, 1807, 2363, 2652, 3614, 4726, 5421, 7089, 7228, 9452, 10842, 14178, 19321, 21684, 28356, 30719, 38642, 57963, 61438, 77284, 92157, 115926, 122876, 184314, 231852, 251173, 328457, 368628, 502346, 656914, 753519, 985371, 1004692, 1313828, 1507038, 1970742, 3014076, 3941484, 4269941, 8539882, 12809823, 17079764, 25619646, 51239292]

約数ペア:

[(1, 51239292), (2, 25619646), (3, 17079764), (4, 12809823), (6, 8539882), (12, 4269941), (13, 3941484), (17, 3014076), (26, 1970742), (34, 1507038), (39, 1313828), (51, 1004692), (52, 985371), (68, 753519), (78, 656914), (102, 502346), (139, 368628), (156, 328457), (204, 251173), (221, 231852), (278, 184314), (417, 122876), (442, 115926), (556, 92157), (663, 77284), (834, 61438), (884, 57963), (1326, 38642), (1668, 30719), (1807, 28356), (2363, 21684), (2652, 19321), (3614, 14178), (4726, 10842), (5421, 9452), (7089, 7228)]