128539268

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 275278080

約数和(自身を除く): 146738812

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 121, 124, 143, 242, 286, 341, 403, 484, 572, 659, 682, 806, 1318, 1364, 1573, 1612, 2636, 3146, 3751, 4433, 6292, 7249, 7502, 8567, 8866, 14498, 15004, 17134, 17732, 20429, 28996, 34268, 40858, 48763, 79739, 81716, 94237, 97526, 159478, 188474, 195052, 224719, 265577, 318956, 376948, 449438, 531154, 898876, 1036607, 1062308, 2073214, 2471909, 2921347, 4146428, 4943818, 5842694, 9887636, 11685388, 32134817, 64269634, 128539268]

約数ペア:

[(1, 128539268), (2, 64269634), (4, 32134817), (11, 11685388), (13, 9887636), (22, 5842694), (26, 4943818), (31, 4146428), (44, 2921347), (52, 2471909), (62, 2073214), (121, 1062308), (124, 1036607), (143, 898876), (242, 531154), (286, 449438), (341, 376948), (403, 318956), (484, 265577), (572, 224719), (659, 195052), (682, 188474), (806, 159478), (1318, 97526), (1364, 94237), (1573, 81716), (1612, 79739), (2636, 48763), (3146, 40858), (3751, 34268), (4433, 28996), (6292, 20429), (7249, 17732), (7502, 17134), (8567, 15004), (8866, 14498)]