398779416

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2719}}^1$

素因数の和:2838

約数の個数: 128

約数和(自身を含む): 1279488000

約数和(自身を除く): 880708584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 97, 108, 126, 168, 189, 194, 216, 252, 291, 378, 388, 504, 582, 679, 756, 776, 873, 1164, 1358, 1512, 1746, 2037, 2328, 2619, 2716, 2719, 3492, 4074, 5238, 5432, 5438, 6111, 6984, 8148, 8157, 10476, 10876, 12222, 16296, 16314, 18333, 19033, 20952, 21752, 24444, 24471, 32628, 36666, 38066, 48888, 48942, 57099, 65256, 73332, 73413, 76132, 97884, 114198, 146664, 146826, 152264, 171297, 195768, 228396, 263743, 293652, 342594, 456792, 513891, 527486, 587304, 685188, 791229, 1027782, 1054972, 1370376, 1582458, 1846201, 2055564, 2109944, 2373687, 3164916, 3692402, 4111128, 4747374, 5538603, 6329832, 7121061, 7384804, 9494748, 11077206, 14242122, 14769608, 16615809, 18989496, 22154412, 28484244, 33231618, 44308824, 49847427, 56968488, 66463236, 99694854, 132926472, 199389708, 398779416]

約数ペア:

[(1, 398779416), (2, 199389708), (3, 132926472), (4, 99694854), (6, 66463236), (7, 56968488), (8, 49847427), (9, 44308824), (12, 33231618), (14, 28484244), (18, 22154412), (21, 18989496), (24, 16615809), (27, 14769608), (28, 14242122), (36, 11077206), (42, 9494748), (54, 7384804), (56, 7121061), (63, 6329832), (72, 5538603), (84, 4747374), (97, 4111128), (108, 3692402), (126, 3164916), (168, 2373687), (189, 2109944), (194, 2055564), (216, 1846201), (252, 1582458), (291, 1370376), (378, 1054972), (388, 1027782), (504, 791229), (582, 685188), (679, 587304), (756, 527486), (776, 513891), (873, 456792), (1164, 342594), (1358, 293652), (1512, 263743), (1746, 228396), (2037, 195768), (2328, 171297), (2619, 152264), (2716, 146826), (2719, 146664), (3492, 114198), (4074, 97884), (5238, 76132), (5432, 73413), (5438, 73332), (6111, 65256), (6984, 57099), (8148, 48942), (8157, 48888), (10476, 38066), (10876, 36666), (12222, 32628), (16296, 24471), (16314, 24444), (18333, 21752), (19033, 20952)]