64987244

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 134702400

約数和(自身を除く): 69715156

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 149, 259, 298, 421, 518, 596, 842, 1036, 1043, 1684, 2086, 2947, 4172, 5513, 5894, 11026, 11788, 15577, 22052, 31154, 38591, 62308, 62729, 77182, 109039, 125458, 154364, 218078, 250916, 436156, 439103, 878206, 1756412, 2320973, 4641946, 9283892, 16246811, 32493622, 64987244]

約数ペア:

[(1, 64987244), (2, 32493622), (4, 16246811), (7, 9283892), (14, 4641946), (28, 2320973), (37, 1756412), (74, 878206), (148, 439103), (149, 436156), (259, 250916), (298, 218078), (421, 154364), (518, 125458), (596, 109039), (842, 77182), (1036, 62729), (1043, 62308), (1684, 38591), (2086, 31154), (2947, 22052), (4172, 15577), (5513, 11788), (5894, 11026)]