664656616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 1497000960

約数和(自身を除く): 832344344

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 67, 68, 104, 124, 134, 136, 181, 221, 248, 268, 362, 403, 442, 527, 536, 724, 806, 871, 884, 1054, 1139, 1448, 1612, 1742, 1768, 2077, 2108, 2278, 2353, 3077, 3224, 3484, 4154, 4216, 4556, 4706, 5611, 6154, 6851, 6968, 8308, 9112, 9412, 11222, 12127, 12308, 13702, 14807, 16616, 18824, 22444, 24254, 24616, 27001, 27404, 29614, 35309, 40001, 44888, 48508, 54002, 54808, 59228, 70618, 72943, 80002, 95387, 97016, 108004, 118456, 141236, 145886, 157651, 160004, 190774, 206159, 216008, 282472, 291772, 315302, 320008, 375937, 381548, 412318, 459017, 583544, 630604, 751874, 763096, 824636, 918034, 1240031, 1261208, 1503748, 1649272, 1836068, 2480062, 2680067, 3007496, 3672136, 4887181, 4960124, 5360134, 6390929, 9774362, 9920248, 10720268, 12781858, 19548724, 21440536, 25563716, 39097448, 51127432, 83082077, 166164154, 332328308, 664656616]

約数ペア:

[(1, 664656616), (2, 332328308), (4, 166164154), (8, 83082077), (13, 51127432), (17, 39097448), (26, 25563716), (31, 21440536), (34, 19548724), (52, 12781858), (62, 10720268), (67, 9920248), (68, 9774362), (104, 6390929), (124, 5360134), (134, 4960124), (136, 4887181), (181, 3672136), (221, 3007496), (248, 2680067), (268, 2480062), (362, 1836068), (403, 1649272), (442, 1503748), (527, 1261208), (536, 1240031), (724, 918034), (806, 824636), (871, 763096), (884, 751874), (1054, 630604), (1139, 583544), (1448, 459017), (1612, 412318), (1742, 381548), (1768, 375937), (2077, 320008), (2108, 315302), (2278, 291772), (2353, 282472), (3077, 216008), (3224, 206159), (3484, 190774), (4154, 160004), (4216, 157651), (4556, 145886), (4706, 141236), (5611, 118456), (6154, 108004), (6851, 97016), (6968, 95387), (8308, 80002), (9112, 72943), (9412, 70618), (11222, 59228), (12127, 54808), (12308, 54002), (13702, 48508), (14807, 44888), (16616, 40001), (18824, 35309), (22444, 29614), (24254, 27404), (24616, 27001)]