31585281364

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{215317}}^1$

素因数の和:215385

約数の個数: 72

約数和(自身を含む): 70610523648

約数和(自身を除く): 39025242284

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 169, 182, 217, 338, 364, 403, 434, 676, 806, 868, 1183, 1612, 2366, 2821, 4732, 5239, 5642, 10478, 11284, 20956, 36673, 73346, 146692, 215317, 430634, 861268, 1507219, 2799121, 3014438, 5598242, 6028876, 6674827, 11196484, 13349654, 19593847, 26699308, 36388573, 39187694, 46723789, 72777146, 78375388, 86772751, 93447578, 145554292, 173545502, 186895156, 254720011, 347091004, 509440022, 607409257, 1018880044, 1128045763, 1214818514, 2256091526, 2429637028, 4512183052, 7896320341, 15792640682, 31585281364]

約数ペア:

[(1, 31585281364), (2, 15792640682), (4, 7896320341), (7, 4512183052), (13, 2429637028), (14, 2256091526), (26, 1214818514), (28, 1128045763), (31, 1018880044), (52, 607409257), (62, 509440022), (91, 347091004), (124, 254720011), (169, 186895156), (182, 173545502), (217, 145554292), (338, 93447578), (364, 86772751), (403, 78375388), (434, 72777146), (676, 46723789), (806, 39187694), (868, 36388573), (1183, 26699308), (1612, 19593847), (2366, 13349654), (2821, 11196484), (4732, 6674827), (5239, 6028876), (5642, 5598242), (10478, 3014438), (11284, 2799121), (20956, 1507219), (36673, 861268), (73346, 430634), (146692, 215317)]