28704078

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1319}}^1$

素因数の和:1374

約数の個数: 64

約数和(自身を含む): 70963200

約数和(自身を除く): 42259122

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 62, 78, 93, 117, 186, 234, 279, 351, 403, 558, 702, 806, 837, 1209, 1319, 1674, 2418, 2638, 3627, 3957, 7254, 7914, 10881, 11871, 17147, 21762, 23742, 34294, 35613, 40889, 51441, 71226, 81778, 102882, 122667, 154323, 245334, 308646, 368001, 462969, 531557, 736002, 925938, 1063114, 1104003, 1594671, 2208006, 3189342, 4784013, 9568026, 14352039, 28704078]

約数ペア:

[(1, 28704078), (2, 14352039), (3, 9568026), (6, 4784013), (9, 3189342), (13, 2208006), (18, 1594671), (26, 1104003), (27, 1063114), (31, 925938), (39, 736002), (54, 531557), (62, 462969), (78, 368001), (93, 308646), (117, 245334), (186, 154323), (234, 122667), (279, 102882), (351, 81778), (403, 71226), (558, 51441), (702, 40889), (806, 35613), (837, 34294), (1209, 23742), (1319, 21762), (1674, 17147), (2418, 11871), (2638, 10881), (3627, 7914), (3957, 7254)]