31102544

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 70709760

約数和(自身を除く): 39607216

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 71, 76, 88, 131, 142, 152, 176, 209, 262, 284, 304, 418, 524, 568, 781, 836, 1048, 1136, 1349, 1441, 1562, 1672, 2096, 2489, 2698, 2882, 3124, 3344, 4978, 5396, 5764, 6248, 9301, 9956, 10792, 11528, 12496, 14839, 18602, 19912, 21584, 23056, 27379, 29678, 37204, 39824, 54758, 59356, 74408, 102311, 109516, 118712, 148816, 176719, 204622, 219032, 237424, 353438, 409244, 438064, 706876, 818488, 1413752, 1636976, 1943909, 2827504, 3887818, 7775636, 15551272, 31102544]

約数ペア:

[(1, 31102544), (2, 15551272), (4, 7775636), (8, 3887818), (11, 2827504), (16, 1943909), (19, 1636976), (22, 1413752), (38, 818488), (44, 706876), (71, 438064), (76, 409244), (88, 353438), (131, 237424), (142, 219032), (152, 204622), (176, 176719), (209, 148816), (262, 118712), (284, 109516), (304, 102311), (418, 74408), (524, 59356), (568, 54758), (781, 39824), (836, 37204), (1048, 29678), (1136, 27379), (1349, 23056), (1441, 21584), (1562, 19912), (1672, 18602), (2096, 14839), (2489, 12496), (2698, 11528), (2882, 10792), (3124, 9956), (3344, 9301), (4978, 6248), (5396, 5764)]