209022408

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{647}}^1$

素因数の和:1307

約数の個数: 96

約数和(自身を含む): 648984960

約数和(自身を除く): 439962552

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 641, 647, 1282, 1294, 1923, 1941, 2564, 2588, 3846, 3882, 4487, 4529, 5128, 5176, 5769, 5823, 7692, 7764, 8974, 9058, 11538, 11646, 13461, 13587, 15384, 15528, 17948, 18116, 23076, 23292, 26922, 27174, 35896, 36232, 40383, 40761, 46152, 46584, 53844, 54348, 80766, 81522, 107688, 108696, 161532, 163044, 323064, 326088, 414727, 829454, 1244181, 1658908, 2488362, 2903089, 3317816, 3732543, 4976724, 5806178, 7465086, 8709267, 9953448, 11612356, 14930172, 17418534, 23224712, 26127801, 29860344, 34837068, 52255602, 69674136, 104511204, 209022408]

約数ペア:

[(1, 209022408), (2, 104511204), (3, 69674136), (4, 52255602), (6, 34837068), (7, 29860344), (8, 26127801), (9, 23224712), (12, 17418534), (14, 14930172), (18, 11612356), (21, 9953448), (24, 8709267), (28, 7465086), (36, 5806178), (42, 4976724), (56, 3732543), (63, 3317816), (72, 2903089), (84, 2488362), (126, 1658908), (168, 1244181), (252, 829454), (504, 414727), (641, 326088), (647, 323064), (1282, 163044), (1294, 161532), (1923, 108696), (1941, 107688), (2564, 81522), (2588, 80766), (3846, 54348), (3882, 53844), (4487, 46584), (4529, 46152), (5128, 40761), (5176, 40383), (5769, 36232), (5823, 35896), (7692, 27174), (7764, 26922), (8974, 23292), (9058, 23076), (11538, 18116), (11646, 17948), (13461, 15528), (13587, 15384)]