28169532

素因数分解:

$2^2\times 3^5\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 75043696

約数和(自身を除く): 46874164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 81, 108, 146, 162, 219, 243, 292, 324, 397, 438, 486, 657, 794, 876, 972, 1191, 1314, 1588, 1971, 2382, 2628, 3573, 3942, 4764, 5913, 7146, 7884, 10719, 11826, 14292, 17739, 21438, 23652, 28981, 32157, 35478, 42876, 57962, 64314, 70956, 86943, 96471, 115924, 128628, 173886, 192942, 260829, 347772, 385884, 521658, 782487, 1043316, 1564974, 2347461, 3129948, 4694922, 7042383, 9389844, 14084766, 28169532]

約数ペア:

[(1, 28169532), (2, 14084766), (3, 9389844), (4, 7042383), (6, 4694922), (9, 3129948), (12, 2347461), (18, 1564974), (27, 1043316), (36, 782487), (54, 521658), (73, 385884), (81, 347772), (108, 260829), (146, 192942), (162, 173886), (219, 128628), (243, 115924), (292, 96471), (324, 86943), (397, 70956), (438, 64314), (486, 57962), (657, 42876), (794, 35478), (876, 32157), (972, 28981), (1191, 23652), (1314, 21438), (1588, 17739), (1971, 14292), (2382, 11826), (2628, 10719), (3573, 7884), (3942, 7146), (4764, 5913)]