55212784

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 90

約数和(自身を含む): 125669040

約数和(自身を除く): 70456256

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 79, 88, 121, 152, 158, 176, 209, 242, 304, 316, 361, 418, 484, 632, 722, 836, 869, 968, 1264, 1444, 1501, 1672, 1738, 1936, 2299, 2888, 3002, 3344, 3476, 3971, 4598, 5776, 6004, 6952, 7942, 9196, 9559, 12008, 13904, 15884, 16511, 18392, 19118, 24016, 28519, 31768, 33022, 36784, 38236, 43681, 57038, 63536, 66044, 76472, 87362, 114076, 132088, 152944, 174724, 181621, 228152, 264176, 313709, 349448, 363242, 456304, 627418, 698896, 726484, 1254836, 1452968, 2509672, 2905936, 3450799, 5019344, 6901598, 13803196, 27606392, 55212784]

約数ペア:

[(1, 55212784), (2, 27606392), (4, 13803196), (8, 6901598), (11, 5019344), (16, 3450799), (19, 2905936), (22, 2509672), (38, 1452968), (44, 1254836), (76, 726484), (79, 698896), (88, 627418), (121, 456304), (152, 363242), (158, 349448), (176, 313709), (209, 264176), (242, 228152), (304, 181621), (316, 174724), (361, 152944), (418, 132088), (484, 114076), (632, 87362), (722, 76472), (836, 66044), (869, 63536), (968, 57038), (1264, 43681), (1444, 38236), (1501, 36784), (1672, 33022), (1738, 31768), (1936, 28519), (2299, 24016), (2888, 19118), (3002, 18392), (3344, 16511), (3476, 15884), (3971, 13904), (4598, 12008), (5776, 9559), (6004, 9196), (6952, 7942)]