28704452

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 59754240

約数和(自身を除く): 31049788

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 103, 148, 206, 259, 269, 412, 518, 538, 721, 1036, 1076, 1442, 1883, 2884, 3766, 3811, 7532, 7622, 9953, 15244, 19906, 26677, 27707, 39812, 53354, 55414, 69671, 106708, 110828, 139342, 193949, 278684, 387898, 775796, 1025159, 2050318, 4100636, 7176113, 14352226, 28704452]

約数ペア:

[(1, 28704452), (2, 14352226), (4, 7176113), (7, 4100636), (14, 2050318), (28, 1025159), (37, 775796), (74, 387898), (103, 278684), (148, 193949), (206, 139342), (259, 110828), (269, 106708), (412, 69671), (518, 55414), (538, 53354), (721, 39812), (1036, 27707), (1076, 26677), (1442, 19906), (1883, 15244), (2884, 9953), (3766, 7622), (3811, 7532)]