28198548

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{751}}^1$

素因数の和:917

約数の個数: 72

約数和(自身を含む): 82118400

約数和(自身を除く): 53919852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 149, 252, 298, 447, 596, 751, 894, 1043, 1341, 1502, 1788, 2086, 2253, 2682, 3004, 3129, 4172, 4506, 5257, 5364, 6258, 6759, 9012, 9387, 10514, 12516, 13518, 15771, 18774, 21028, 27036, 31542, 37548, 47313, 63084, 94626, 111899, 189252, 223798, 335697, 447596, 671394, 783293, 1007091, 1342788, 1566586, 2014182, 2349879, 3133172, 4028364, 4699758, 7049637, 9399516, 14099274, 28198548]

約数ペア:

[(1, 28198548), (2, 14099274), (3, 9399516), (4, 7049637), (6, 4699758), (7, 4028364), (9, 3133172), (12, 2349879), (14, 2014182), (18, 1566586), (21, 1342788), (28, 1007091), (36, 783293), (42, 671394), (63, 447596), (84, 335697), (126, 223798), (149, 189252), (252, 111899), (298, 94626), (447, 63084), (596, 47313), (751, 37548), (894, 31542), (1043, 27036), (1341, 21028), (1502, 18774), (1788, 15771), (2086, 13518), (2253, 12516), (2682, 10514), (3004, 9387), (3129, 9012), (4172, 6759), (4506, 6258), (5257, 5364)]