638578728

素因数分解:

$2^3\times 3^5\times {\mathrm{263}}^1\times {\mathrm{1249}}^1$

素因数の和:1533

約数の個数: 96

約数和(自身を含む): 1801800000

約数和(自身を除く): 1163221272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 263, 324, 486, 526, 648, 789, 972, 1052, 1249, 1578, 1944, 2104, 2367, 2498, 3156, 3747, 4734, 4996, 6312, 7101, 7494, 9468, 9992, 11241, 14202, 14988, 18936, 21303, 22482, 28404, 29976, 33723, 42606, 44964, 56808, 63909, 67446, 85212, 89928, 101169, 127818, 134892, 170424, 202338, 255636, 269784, 303507, 328487, 404676, 511272, 607014, 656974, 809352, 985461, 1214028, 1313948, 1970922, 2428056, 2627896, 2956383, 3941844, 5912766, 7883688, 8869149, 11825532, 17738298, 23651064, 26607447, 35476596, 53214894, 70953192, 79822341, 106429788, 159644682, 212859576, 319289364, 638578728]

約数ペア:

[(1, 638578728), (2, 319289364), (3, 212859576), (4, 159644682), (6, 106429788), (8, 79822341), (9, 70953192), (12, 53214894), (18, 35476596), (24, 26607447), (27, 23651064), (36, 17738298), (54, 11825532), (72, 8869149), (81, 7883688), (108, 5912766), (162, 3941844), (216, 2956383), (243, 2627896), (263, 2428056), (324, 1970922), (486, 1313948), (526, 1214028), (648, 985461), (789, 809352), (972, 656974), (1052, 607014), (1249, 511272), (1578, 404676), (1944, 328487), (2104, 303507), (2367, 269784), (2498, 255636), (3156, 202338), (3747, 170424), (4734, 134892), (4996, 127818), (6312, 101169), (7101, 89928), (7494, 85212), (9468, 67446), (9992, 63909), (11241, 56808), (14202, 44964), (14988, 42606), (18936, 33723), (21303, 29976), (22482, 28404)]