64708251

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 92404800

約数和(自身を除く): 27696549

約数列:

[1, 3, 29, 61, 87, 89, 137, 183, 267, 411, 1769, 2581, 3973, 5307, 5429, 7743, 8357, 11919, 12193, 16287, 25071, 36579, 157441, 242353, 353597, 472323, 727059, 743773, 1060791, 2231319, 21569417, 64708251]

約数ペア:

[(1, 64708251), (3, 21569417), (29, 2231319), (61, 1060791), (87, 743773), (89, 727059), (137, 472323), (183, 353597), (267, 242353), (411, 157441), (1769, 36579), (2581, 25071), (3973, 16287), (5307, 12193), (5429, 11919), (7743, 8357)]