781156908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{31957}}^1$

素因数の和:32071

約数の個数: 72

約数和(自身を含む): 2280011552

約数和(自身を除く): 1498854644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 97, 126, 194, 252, 291, 388, 582, 679, 873, 1164, 1358, 1746, 2037, 2716, 3492, 4074, 6111, 8148, 12222, 24444, 31957, 63914, 95871, 127828, 191742, 223699, 287613, 383484, 447398, 575226, 671097, 894796, 1150452, 1342194, 2013291, 2684388, 3099829, 4026582, 6199658, 8053164, 9299487, 12399316, 18598974, 21698803, 27898461, 37197948, 43397606, 55796922, 65096409, 86795212, 111593844, 130192818, 195289227, 260385636, 390578454, 781156908]

約数ペア:

[(1, 781156908), (2, 390578454), (3, 260385636), (4, 195289227), (6, 130192818), (7, 111593844), (9, 86795212), (12, 65096409), (14, 55796922), (18, 43397606), (21, 37197948), (28, 27898461), (36, 21698803), (42, 18598974), (63, 12399316), (84, 9299487), (97, 8053164), (126, 6199658), (194, 4026582), (252, 3099829), (291, 2684388), (388, 2013291), (582, 1342194), (679, 1150452), (873, 894796), (1164, 671097), (1358, 575226), (1746, 447398), (2037, 383484), (2716, 287613), (3492, 223699), (4074, 191742), (6111, 127828), (8148, 95871), (12222, 63914), (24444, 31957)]