1639451884

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1\times {\mathrm{1873}}^1$

素因数の和:2654

約数の個数: 48

約数和(自身を含む): 3361566208

約数和(自身を除く): 1722114324

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 727, 1204, 1454, 1873, 2908, 3746, 5089, 7492, 10178, 13111, 20356, 26222, 31261, 52444, 62522, 80539, 125044, 161078, 218827, 322156, 437654, 563773, 875308, 1127546, 1361671, 2255092, 2723342, 5446684, 9531697, 19063394, 38126788, 58551853, 117103706, 234207412, 409862971, 819725942, 1639451884]

約数ペア:

[(1, 1639451884), (2, 819725942), (4, 409862971), (7, 234207412), (14, 117103706), (28, 58551853), (43, 38126788), (86, 19063394), (172, 9531697), (301, 5446684), (602, 2723342), (727, 2255092), (1204, 1361671), (1454, 1127546), (1873, 875308), (2908, 563773), (3746, 437654), (5089, 322156), (7492, 218827), (10178, 161078), (13111, 125044), (20356, 80539), (26222, 62522), (31261, 52444)]