627598348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{661}}^1$

素因数の和:759

約数の個数: 72

約数和(自身を含む): 1288437360

約数和(自身を除く): 660839012

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 589, 661, 806, 961, 988, 1178, 1322, 1612, 1922, 2356, 2644, 3844, 7657, 8593, 12493, 12559, 15314, 17186, 18259, 20491, 24986, 25118, 30628, 34372, 36518, 40982, 49972, 50236, 73036, 81964, 163267, 237367, 266383, 326534, 389329, 474734, 532766, 635221, 653068, 778658, 949468, 1065532, 1270442, 1557316, 2540884, 5061277, 8257873, 10122554, 12069199, 16515746, 20245108, 24138398, 33031492, 48276796, 156899587, 313799174, 627598348]

約数ペア:

[(1, 627598348), (2, 313799174), (4, 156899587), (13, 48276796), (19, 33031492), (26, 24138398), (31, 20245108), (38, 16515746), (52, 12069199), (62, 10122554), (76, 8257873), (124, 5061277), (247, 2540884), (403, 1557316), (494, 1270442), (589, 1065532), (661, 949468), (806, 778658), (961, 653068), (988, 635221), (1178, 532766), (1322, 474734), (1612, 389329), (1922, 326534), (2356, 266383), (2644, 237367), (3844, 163267), (7657, 81964), (8593, 73036), (12493, 50236), (12559, 49972), (15314, 40982), (17186, 36518), (18259, 34372), (20491, 30628), (24986, 25118)]