28087710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1021}}^1$

素因数の和:1169

約数の個数: 64

約数和(自身を含む): 77704704

約数和(自身を除く): 49616994

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 131, 210, 262, 393, 655, 786, 917, 1021, 1310, 1834, 1965, 2042, 2751, 3063, 3930, 4585, 5105, 5502, 6126, 7147, 9170, 10210, 13755, 14294, 15315, 21441, 27510, 30630, 35735, 42882, 71470, 107205, 133751, 214410, 267502, 401253, 668755, 802506, 936257, 1337510, 1872514, 2006265, 2808771, 4012530, 4681285, 5617542, 9362570, 14043855, 28087710]

約数ペア:

[(1, 28087710), (2, 14043855), (3, 9362570), (5, 5617542), (6, 4681285), (7, 4012530), (10, 2808771), (14, 2006265), (15, 1872514), (21, 1337510), (30, 936257), (35, 802506), (42, 668755), (70, 401253), (105, 267502), (131, 214410), (210, 133751), (262, 107205), (393, 71470), (655, 42882), (786, 35735), (917, 30630), (1021, 27510), (1310, 21441), (1834, 15315), (1965, 14294), (2042, 13755), (2751, 10210), (3063, 9170), (3930, 7147), (4585, 6126), (5105, 5502)]