999189772

素因数分解:

$2^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 2072093184

約数和(自身を除く): 1072903412

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 137, 196, 254, 274, 293, 508, 548, 586, 889, 959, 1172, 1778, 1918, 2051, 3556, 3836, 4102, 6223, 6713, 8204, 12446, 13426, 14357, 17399, 24892, 26852, 28714, 34798, 37211, 40141, 57428, 69596, 74422, 80282, 121793, 148844, 160564, 243586, 260477, 280987, 487172, 520954, 561974, 852551, 1041908, 1123948, 1705102, 1823339, 1966909, 3410204, 3646678, 3933818, 5097907, 7293356, 7867636, 10195814, 20391628, 35685349, 71370698, 142741396, 249797443, 499594886, 999189772]

約数ペア:

[(1, 999189772), (2, 499594886), (4, 249797443), (7, 142741396), (14, 71370698), (28, 35685349), (49, 20391628), (98, 10195814), (127, 7867636), (137, 7293356), (196, 5097907), (254, 3933818), (274, 3646678), (293, 3410204), (508, 1966909), (548, 1823339), (586, 1705102), (889, 1123948), (959, 1041908), (1172, 852551), (1778, 561974), (1918, 520954), (2051, 487172), (3556, 280987), (3836, 260477), (4102, 243586), (6223, 160564), (6713, 148844), (8204, 121793), (12446, 80282), (13426, 74422), (14357, 69596), (17399, 57428), (24892, 40141), (26852, 37211), (28714, 34798)]