28510794

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 72

約数和(自身を含む): 69139980

約数和(自身を除く): 40629186

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 89, 111, 117, 178, 222, 234, 267, 333, 481, 534, 666, 801, 962, 1157, 1369, 1443, 1602, 2314, 2738, 2886, 3293, 3471, 4107, 4329, 6586, 6942, 8214, 8658, 9879, 10413, 12321, 17797, 19758, 20826, 24642, 29637, 35594, 42809, 53391, 59274, 85618, 106782, 121841, 128427, 160173, 243682, 256854, 320346, 365523, 385281, 731046, 770562, 1096569, 1583933, 2193138, 3167866, 4751799, 9503598, 14255397, 28510794]

約数ペア:

[(1, 28510794), (2, 14255397), (3, 9503598), (6, 4751799), (9, 3167866), (13, 2193138), (18, 1583933), (26, 1096569), (37, 770562), (39, 731046), (74, 385281), (78, 365523), (89, 320346), (111, 256854), (117, 243682), (178, 160173), (222, 128427), (234, 121841), (267, 106782), (333, 85618), (481, 59274), (534, 53391), (666, 42809), (801, 35594), (962, 29637), (1157, 24642), (1369, 20826), (1443, 19758), (1602, 17797), (2314, 12321), (2738, 10413), (2886, 9879), (3293, 8658), (3471, 8214), (4107, 6942), (4329, 6586)]