9139988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 20485920

約数和(自身を除く): 11345932

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 29, 38, 44, 52, 58, 76, 116, 143, 209, 247, 286, 319, 377, 418, 494, 551, 572, 638, 754, 836, 841, 988, 1102, 1276, 1508, 1682, 2204, 2717, 3364, 4147, 5434, 6061, 7163, 8294, 9251, 10868, 10933, 12122, 14326, 15979, 16588, 18502, 21866, 24244, 28652, 31958, 37004, 43732, 63916, 78793, 120263, 157586, 175769, 207727, 240526, 315172, 351538, 415454, 481052, 703076, 830908, 2284997, 4569994, 9139988]

約数ペア:

[(1, 9139988), (2, 4569994), (4, 2284997), (11, 830908), (13, 703076), (19, 481052), (22, 415454), (26, 351538), (29, 315172), (38, 240526), (44, 207727), (52, 175769), (58, 157586), (76, 120263), (116, 78793), (143, 63916), (209, 43732), (247, 37004), (286, 31958), (319, 28652), (377, 24244), (418, 21866), (494, 18502), (551, 16588), (572, 15979), (638, 14326), (754, 12122), (836, 10933), (841, 10868), (988, 9251), (1102, 8294), (1276, 7163), (1508, 6061), (1682, 5434), (2204, 4147), (2717, 3364)]