388777788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{829}}^1\times {\mathrm{1861}}^1$

素因数の和:2707

約数の個数: 72

約数和(自身を含む): 1125094880

約数和(自身を除く): 736317092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 829, 1658, 1861, 2487, 3316, 3722, 4974, 5583, 5803, 7444, 7461, 9948, 11166, 11606, 13027, 14922, 16749, 17409, 22332, 23212, 26054, 29844, 33498, 34818, 39081, 52108, 52227, 66996, 69636, 78162, 104454, 117243, 156324, 208908, 234486, 468972, 1542769, 3085538, 4628307, 6171076, 9256614, 10799383, 13884921, 18513228, 21598766, 27769842, 32398149, 43197532, 55539684, 64796298, 97194447, 129592596, 194388894, 388777788]

約数ペア:

[(1, 388777788), (2, 194388894), (3, 129592596), (4, 97194447), (6, 64796298), (7, 55539684), (9, 43197532), (12, 32398149), (14, 27769842), (18, 21598766), (21, 18513228), (28, 13884921), (36, 10799383), (42, 9256614), (63, 6171076), (84, 4628307), (126, 3085538), (252, 1542769), (829, 468972), (1658, 234486), (1861, 208908), (2487, 156324), (3316, 117243), (3722, 104454), (4974, 78162), (5583, 69636), (5803, 66996), (7444, 52227), (7461, 52108), (9948, 39081), (11166, 34818), (11606, 33498), (13027, 29844), (14922, 26054), (16749, 23212), (17409, 22332)]