217060712

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 471398400

約数和(自身を除く): 254337688

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 131, 152, 209, 262, 418, 524, 836, 991, 1048, 1441, 1672, 1982, 2489, 2882, 3964, 4978, 5764, 7928, 9956, 10901, 11528, 18829, 19912, 21802, 27379, 37658, 43604, 54758, 75316, 87208, 109516, 129821, 150632, 207119, 219032, 259642, 414238, 519284, 828476, 1038568, 1428031, 1656952, 2466599, 2856062, 4933198, 5712124, 9866396, 11424248, 19732792, 27132589, 54265178, 108530356, 217060712]

約数ペア:

[(1, 217060712), (2, 108530356), (4, 54265178), (8, 27132589), (11, 19732792), (19, 11424248), (22, 9866396), (38, 5712124), (44, 4933198), (76, 2856062), (88, 2466599), (131, 1656952), (152, 1428031), (209, 1038568), (262, 828476), (418, 519284), (524, 414238), (836, 259642), (991, 219032), (1048, 207119), (1441, 150632), (1672, 129821), (1982, 109516), (2489, 87208), (2882, 75316), (3964, 54758), (4978, 43604), (5764, 37658), (7928, 27379), (9956, 21802), (10901, 19912), (11528, 18829)]