215787818414

素因数分解:

$2^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1\times {\mathrm{461}}^1\times {\mathrm{907}}^1$

素因数の和:1761

約数の個数: 64

約数和(自身を含む): 375009288192

約数和(自身を除く): 159221469778

約数列:

[1, 2, 7, 14, 191, 193, 382, 386, 461, 907, 922, 1337, 1351, 1814, 2674, 2702, 3227, 6349, 6454, 12698, 36863, 73726, 88051, 88973, 173237, 175051, 176102, 177946, 258041, 346474, 350102, 418127, 516082, 616357, 622811, 836254, 1212659, 1225357, 1232714, 1245622, 2425318, 2450714, 2926889, 5853778, 16993843, 33434741, 33987686, 66869482, 79862257, 80698511, 118956901, 159724514, 161397022, 234043187, 237913802, 468086374, 559035799, 564889577, 1118071598, 1129779154, 15413415601, 30826831202, 107893909207, 215787818414]

約数ペア:

[(1, 215787818414), (2, 107893909207), (7, 30826831202), (14, 15413415601), (191, 1129779154), (193, 1118071598), (382, 564889577), (386, 559035799), (461, 468086374), (907, 237913802), (922, 234043187), (1337, 161397022), (1351, 159724514), (1814, 118956901), (2674, 80698511), (2702, 79862257), (3227, 66869482), (6349, 33987686), (6454, 33434741), (12698, 16993843), (36863, 5853778), (73726, 2926889), (88051, 2450714), (88973, 2425318), (173237, 1245622), (175051, 1232714), (176102, 1225357), (177946, 1212659), (258041, 836254), (346474, 622811), (350102, 616357), (418127, 516082)]