291237119982

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{311}}^1\times {\mathrm{409}}^1\times {\mathrm{971}}^1$

素因数の和:1830

約数の個数: 96

約数和(自身を含む): 640093259520

約数和(自身を除く): 348856139538

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 311, 393, 409, 622, 786, 818, 933, 971, 1179, 1227, 1866, 1942, 2358, 2454, 2799, 2913, 3681, 5598, 5826, 7362, 8739, 17478, 40741, 53579, 81482, 107158, 122223, 127199, 127201, 160737, 244446, 254398, 254402, 301981, 321474, 366669, 381597, 381603, 397139, 482211, 603962, 733338, 763194, 763206, 794278, 905943, 964422, 1144791, 1144809, 1191417, 1811886, 2289582, 2289618, 2382834, 2717829, 3574251, 5435658, 7148502, 16663069, 33326138, 39559511, 49989207, 52025209, 79119022, 99978414, 104050418, 118678533, 123510229, 149967621, 156075627, 237357066, 247020458, 299935242, 312151254, 356035599, 370530687, 468226881, 712071198, 741061374, 936453762, 1111592061, 2223184122, 16179839999, 32359679998, 48539519997, 97079039994, 145618559991, 291237119982]

約数ペア:

[(1, 291237119982), (2, 145618559991), (3, 97079039994), (6, 48539519997), (9, 32359679998), (18, 16179839999), (131, 2223184122), (262, 1111592061), (311, 936453762), (393, 741061374), (409, 712071198), (622, 468226881), (786, 370530687), (818, 356035599), (933, 312151254), (971, 299935242), (1179, 247020458), (1227, 237357066), (1866, 156075627), (1942, 149967621), (2358, 123510229), (2454, 118678533), (2799, 104050418), (2913, 99978414), (3681, 79119022), (5598, 52025209), (5826, 49989207), (7362, 39559511), (8739, 33326138), (17478, 16663069), (40741, 7148502), (53579, 5435658), (81482, 3574251), (107158, 2717829), (122223, 2382834), (127199, 2289618), (127201, 2289582), (160737, 1811886), (244446, 1191417), (254398, 1144809), (254402, 1144791), (301981, 964422), (321474, 905943), (366669, 794278), (381597, 763206), (381603, 763194), (397139, 733338), (482211, 603962)]