28377128

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 58413600

約数和(自身を除く): 30036472

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 139, 151, 169, 278, 302, 338, 556, 604, 676, 1112, 1208, 1352, 1807, 1963, 3614, 3926, 7228, 7852, 14456, 15704, 20989, 23491, 25519, 41978, 46982, 51038, 83956, 93964, 102076, 167912, 187928, 204152, 272857, 545714, 1091428, 2182856, 3547141, 7094282, 14188564, 28377128]

約数ペア:

[(1, 28377128), (2, 14188564), (4, 7094282), (8, 3547141), (13, 2182856), (26, 1091428), (52, 545714), (104, 272857), (139, 204152), (151, 187928), (169, 167912), (278, 102076), (302, 93964), (338, 83956), (556, 51038), (604, 46982), (676, 41978), (1112, 25519), (1208, 23491), (1352, 20989), (1807, 15704), (1963, 14456), (3614, 7852), (3926, 7228)]