28453518

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:199

約数の個数: 80

約数和(自身を含む): 67535424

約数和(自身を除く): 39081906

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 47, 54, 74, 81, 94, 101, 111, 141, 162, 202, 222, 282, 303, 333, 423, 606, 666, 846, 909, 999, 1269, 1739, 1818, 1998, 2538, 2727, 2997, 3478, 3737, 3807, 4747, 5217, 5454, 5994, 7474, 7614, 8181, 9494, 10434, 11211, 14241, 15651, 16362, 22422, 28482, 31302, 33633, 42723, 46953, 67266, 85446, 93906, 100899, 128169, 140859, 175639, 201798, 256338, 281718, 302697, 351278, 384507, 526917, 605394, 769014, 1053834, 1580751, 3161502, 4742253, 9484506, 14226759, 28453518]

約数ペア:

[(1, 28453518), (2, 14226759), (3, 9484506), (6, 4742253), (9, 3161502), (18, 1580751), (27, 1053834), (37, 769014), (47, 605394), (54, 526917), (74, 384507), (81, 351278), (94, 302697), (101, 281718), (111, 256338), (141, 201798), (162, 175639), (202, 140859), (222, 128169), (282, 100899), (303, 93906), (333, 85446), (423, 67266), (606, 46953), (666, 42723), (846, 33633), (909, 31302), (999, 28482), (1269, 22422), (1739, 16362), (1818, 15651), (1998, 14241), (2538, 11211), (2727, 10434), (2997, 9494), (3478, 8181), (3737, 7614), (3807, 7474), (4747, 5994), (5217, 5454)]