51362168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 127008000

約数和(自身を除く): 75645832

約数列:

[1, 2, 4, 8, 11, 13, 17, 19, 22, 26, 34, 38, 44, 52, 68, 76, 88, 104, 136, 139, 143, 152, 187, 209, 221, 247, 278, 286, 323, 374, 418, 442, 494, 556, 572, 646, 748, 836, 884, 988, 1112, 1144, 1292, 1496, 1529, 1672, 1768, 1807, 1976, 2363, 2431, 2584, 2641, 2717, 3058, 3553, 3614, 4199, 4726, 4862, 5282, 5434, 6116, 7106, 7228, 8398, 9452, 9724, 10564, 10868, 12232, 14212, 14456, 16796, 18904, 19448, 19877, 21128, 21736, 25993, 28424, 29051, 30719, 33592, 34333, 39754, 44897, 46189, 51986, 58102, 61438, 68666, 79508, 89794, 92378, 103972, 116204, 122876, 137332, 159016, 179588, 184756, 207944, 232408, 245752, 274664, 337909, 359176, 369512, 377663, 493867, 583661, 675818, 755326, 987734, 1167322, 1351636, 1510652, 1975468, 2334644, 2703272, 3021304, 3950936, 4669288, 6420271, 12840542, 25681084, 51362168]

約数ペア:

[(1, 51362168), (2, 25681084), (4, 12840542), (8, 6420271), (11, 4669288), (13, 3950936), (17, 3021304), (19, 2703272), (22, 2334644), (26, 1975468), (34, 1510652), (38, 1351636), (44, 1167322), (52, 987734), (68, 755326), (76, 675818), (88, 583661), (104, 493867), (136, 377663), (139, 369512), (143, 359176), (152, 337909), (187, 274664), (209, 245752), (221, 232408), (247, 207944), (278, 184756), (286, 179588), (323, 159016), (374, 137332), (418, 122876), (442, 116204), (494, 103972), (556, 92378), (572, 89794), (646, 79508), (748, 68666), (836, 61438), (884, 58102), (988, 51986), (1112, 46189), (1144, 44897), (1292, 39754), (1496, 34333), (1529, 33592), (1672, 30719), (1768, 29051), (1807, 28424), (1976, 25993), (2363, 21736), (2431, 21128), (2584, 19877), (2641, 19448), (2717, 18904), (3058, 16796), (3553, 14456), (3614, 14212), (4199, 12232), (4726, 10868), (4862, 10564), (5282, 9724), (5434, 9452), (6116, 8398), (7106, 7228)]