278549284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{4703}}^1$

素因数の和:4804

約数の個数: 48

約数和(自身を含む): 564254208

約数和(自身を除く): 285704924

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 67, 68, 134, 221, 268, 442, 871, 884, 1139, 1742, 2278, 3484, 4556, 4703, 9406, 14807, 18812, 29614, 59228, 61139, 79951, 122278, 159902, 244556, 315101, 319804, 630202, 1039363, 1260404, 2078726, 4096313, 4157452, 5356717, 8192626, 10713434, 16385252, 21426868, 69637321, 139274642, 278549284]

約数ペア:

[(1, 278549284), (2, 139274642), (4, 69637321), (13, 21426868), (17, 16385252), (26, 10713434), (34, 8192626), (52, 5356717), (67, 4157452), (68, 4096313), (134, 2078726), (221, 1260404), (268, 1039363), (442, 630202), (871, 319804), (884, 315101), (1139, 244556), (1742, 159902), (2278, 122278), (3484, 79951), (4556, 61139), (4703, 59228), (9406, 29614), (14807, 18812)]