721313808

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{883963}}^1$

素因数の和:883991

約数の個数: 40

約数和(自身を含む): 1973007648

約数和(自身を除く): 1251693840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 883963, 1767926, 2651889, 3535852, 5303778, 7071704, 10607556, 14143408, 15027371, 21215112, 30054742, 42430224, 45082113, 60109484, 90164226, 120218968, 180328452, 240437936, 360656904, 721313808]

約数ペア:

[(1, 721313808), (2, 360656904), (3, 240437936), (4, 180328452), (6, 120218968), (8, 90164226), (12, 60109484), (16, 45082113), (17, 42430224), (24, 30054742), (34, 21215112), (48, 15027371), (51, 14143408), (68, 10607556), (102, 7071704), (136, 5303778), (204, 3535852), (272, 2651889), (408, 1767926), (816, 883963)]