31988528

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:115

約数の個数: 120

約数和(自身を含む): 77578368

約数和(自身を除く): 45589840

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 41, 44, 52, 62, 82, 88, 104, 121, 124, 143, 164, 176, 208, 242, 248, 286, 328, 341, 403, 451, 484, 496, 533, 572, 656, 682, 806, 902, 968, 1066, 1144, 1271, 1364, 1573, 1612, 1804, 1936, 2132, 2288, 2542, 2728, 3146, 3224, 3608, 3751, 4264, 4433, 4961, 5084, 5456, 5863, 6292, 6448, 7216, 7502, 8528, 8866, 9922, 10168, 11726, 12584, 13981, 15004, 16523, 17732, 19844, 20336, 23452, 25168, 27962, 30008, 33046, 35464, 39688, 46904, 48763, 55924, 60016, 64493, 66092, 70928, 79376, 93808, 97526, 111848, 128986, 132184, 153791, 181753, 195052, 223696, 257972, 264368, 307582, 363506, 390104, 515944, 615164, 727012, 780208, 1031888, 1230328, 1454024, 1999283, 2460656, 2908048, 3998566, 7997132, 15994264, 31988528]

約数ペア:

[(1, 31988528), (2, 15994264), (4, 7997132), (8, 3998566), (11, 2908048), (13, 2460656), (16, 1999283), (22, 1454024), (26, 1230328), (31, 1031888), (41, 780208), (44, 727012), (52, 615164), (62, 515944), (82, 390104), (88, 363506), (104, 307582), (121, 264368), (124, 257972), (143, 223696), (164, 195052), (176, 181753), (208, 153791), (242, 132184), (248, 128986), (286, 111848), (328, 97526), (341, 93808), (403, 79376), (451, 70928), (484, 66092), (496, 64493), (533, 60016), (572, 55924), (656, 48763), (682, 46904), (806, 39688), (902, 35464), (968, 33046), (1066, 30008), (1144, 27962), (1271, 25168), (1364, 23452), (1573, 20336), (1612, 19844), (1804, 17732), (1936, 16523), (2132, 15004), (2288, 13981), (2542, 12584), (2728, 11726), (3146, 10168), (3224, 9922), (3608, 8866), (3751, 8528), (4264, 7502), (4433, 7216), (4961, 6448), (5084, 6292), (5456, 5863)]