645972516

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{854461}}^1$

素因数の和:854481

約数の個数: 48

約数和(自身を含む): 1913994880

約数和(自身を除く): 1268022364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 854461, 1708922, 2563383, 3417844, 5126766, 5981227, 7690149, 10253532, 11962454, 15380298, 17943681, 23070447, 23924908, 30760596, 35887362, 46140894, 53831043, 71774724, 92281788, 107662086, 161493129, 215324172, 322986258, 645972516]

約数ペア:

[(1, 645972516), (2, 322986258), (3, 215324172), (4, 161493129), (6, 107662086), (7, 92281788), (9, 71774724), (12, 53831043), (14, 46140894), (18, 35887362), (21, 30760596), (27, 23924908), (28, 23070447), (36, 17943681), (42, 15380298), (54, 11962454), (63, 10253532), (84, 7690149), (108, 5981227), (126, 5126766), (189, 3417844), (252, 2563383), (378, 1708922), (756, 854461)]