78828981

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 140783616

約数和(自身を除く): 61954635

約数列:

[1, 3, 7, 11, 21, 23, 33, 37, 69, 77, 111, 161, 231, 253, 259, 401, 407, 483, 759, 777, 851, 1203, 1221, 1771, 2553, 2807, 2849, 4411, 5313, 5957, 8421, 8547, 9223, 9361, 13233, 14837, 17871, 27669, 28083, 30877, 44511, 64561, 65527, 92631, 101453, 103859, 163207, 193683, 196581, 304359, 311577, 341251, 489621, 710171, 1023753, 1142449, 2130513, 2388757, 3427347, 3753761, 7166271, 11261283, 26276327, 78828981]

約数ペア:

[(1, 78828981), (3, 26276327), (7, 11261283), (11, 7166271), (21, 3753761), (23, 3427347), (33, 2388757), (37, 2130513), (69, 1142449), (77, 1023753), (111, 710171), (161, 489621), (231, 341251), (253, 311577), (259, 304359), (401, 196581), (407, 193683), (483, 163207), (759, 103859), (777, 101453), (851, 92631), (1203, 65527), (1221, 64561), (1771, 44511), (2553, 30877), (2807, 28083), (2849, 27669), (4411, 17871), (5313, 14837), (5957, 13233), (8421, 9361), (8547, 9223)]