278065164

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{4423}}^1$

素因数の和:4487

約数の個数: 72

約数和(自身を含む): 725394432

約数和(自身を除く): 447329268

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 169, 186, 338, 372, 403, 507, 676, 806, 1014, 1209, 1612, 2028, 2418, 4423, 4836, 5239, 8846, 10478, 13269, 15717, 17692, 20956, 26538, 31434, 53076, 57499, 62868, 114998, 137113, 172497, 229996, 274226, 344994, 411339, 548452, 689988, 747487, 822678, 1494974, 1645356, 1782469, 2242461, 2989948, 3564938, 4484922, 5347407, 7129876, 8969844, 10694814, 21389628, 23172097, 46344194, 69516291, 92688388, 139032582, 278065164]

約数ペア:

[(1, 278065164), (2, 139032582), (3, 92688388), (4, 69516291), (6, 46344194), (12, 23172097), (13, 21389628), (26, 10694814), (31, 8969844), (39, 7129876), (52, 5347407), (62, 4484922), (78, 3564938), (93, 2989948), (124, 2242461), (156, 1782469), (169, 1645356), (186, 1494974), (338, 822678), (372, 747487), (403, 689988), (507, 548452), (676, 411339), (806, 344994), (1014, 274226), (1209, 229996), (1612, 172497), (2028, 137113), (2418, 114998), (4423, 62868), (4836, 57499), (5239, 53076), (8846, 31434), (10478, 26538), (13269, 20956), (15717, 17692)]