81917556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{26357}}^1$

素因数の和:26408

約数の個数: 48

約数和(自身を含む): 224359296

約数和(自身を除く): 142441740

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 26357, 52714, 79071, 105428, 158142, 184499, 316284, 368998, 553497, 737996, 975209, 1106994, 1950418, 2213988, 2925627, 3900836, 5851254, 6826463, 11702508, 13652926, 20479389, 27305852, 40958778, 81917556]

約数ペア:

[(1, 81917556), (2, 40958778), (3, 27305852), (4, 20479389), (6, 13652926), (7, 11702508), (12, 6826463), (14, 5851254), (21, 3900836), (28, 2925627), (37, 2213988), (42, 1950418), (74, 1106994), (84, 975209), (111, 737996), (148, 553497), (222, 368998), (259, 316284), (444, 184499), (518, 158142), (777, 105428), (1036, 79071), (1554, 52714), (3108, 26357)]