1645018668

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{72647}}^1$

素因数の和:72711

約数の個数: 72

約数和(自身を含む): 4521902112

約数和(自身を除く): 2876883444

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 37, 51, 68, 74, 102, 111, 148, 153, 204, 222, 306, 333, 444, 612, 629, 666, 1258, 1332, 1887, 2516, 3774, 5661, 7548, 11322, 22644, 72647, 145294, 217941, 290588, 435882, 653823, 871764, 1234999, 1307646, 2469998, 2615292, 2687939, 3704997, 4939996, 5375878, 7409994, 8063817, 10751756, 11114991, 14819988, 16127634, 22229982, 24191451, 32255268, 44459964, 45694963, 48382902, 91389926, 96765804, 137084889, 182779852, 274169778, 411254667, 548339556, 822509334, 1645018668]

約数ペア:

[(1, 1645018668), (2, 822509334), (3, 548339556), (4, 411254667), (6, 274169778), (9, 182779852), (12, 137084889), (17, 96765804), (18, 91389926), (34, 48382902), (36, 45694963), (37, 44459964), (51, 32255268), (68, 24191451), (74, 22229982), (102, 16127634), (111, 14819988), (148, 11114991), (153, 10751756), (204, 8063817), (222, 7409994), (306, 5375878), (333, 4939996), (444, 3704997), (612, 2687939), (629, 2615292), (666, 2469998), (1258, 1307646), (1332, 1234999), (1887, 871764), (2516, 653823), (3774, 435882), (5661, 290588), (7548, 217941), (11322, 145294), (22644, 72647)]