15679520969

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 19970260992

約数和(自身を除く): 4290740023

約数列:

[1, 7, 23, 31, 37, 161, 197, 217, 259, 431, 713, 851, 1147, 1379, 3017, 4531, 4991, 5957, 6107, 7289, 8029, 9913, 13361, 15947, 26381, 31717, 42749, 51023, 69391, 84907, 93527, 111629, 140461, 167647, 184667, 225959, 307303, 366781, 494357, 594349, 983227, 1173529, 1581713, 1952861, 2151121, 2567467, 2632117, 3141559, 3460499, 5197057, 11370211, 13670027, 18424819, 21990913, 36379399, 60538691, 72255857, 79591477, 97388329, 423770837, 505790999, 681718303, 2239931567, 15679520969]

約数ペア:

[(1, 15679520969), (7, 2239931567), (23, 681718303), (31, 505790999), (37, 423770837), (161, 97388329), (197, 79591477), (217, 72255857), (259, 60538691), (431, 36379399), (713, 21990913), (851, 18424819), (1147, 13670027), (1379, 11370211), (3017, 5197057), (4531, 3460499), (4991, 3141559), (5957, 2632117), (6107, 2567467), (7289, 2151121), (8029, 1952861), (9913, 1581713), (13361, 1173529), (15947, 983227), (26381, 594349), (31717, 494357), (42749, 366781), (51023, 307303), (69391, 225959), (84907, 184667), (93527, 167647), (111629, 140461)]