1787218212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{11491}}^1$

素因数の和:12508

約数の個数: 48

約数和(自身を含む): 4495854272

約数和(自身を除く): 2708636060

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 997, 1994, 2991, 3988, 5982, 11491, 11964, 12961, 22982, 25922, 34473, 38883, 45964, 51844, 68946, 77766, 137892, 149383, 155532, 298766, 448149, 597532, 896298, 1792596, 11456527, 22913054, 34369581, 45826108, 68739162, 137478324, 148934851, 297869702, 446804553, 595739404, 893609106, 1787218212]

約数ペア:

[(1, 1787218212), (2, 893609106), (3, 595739404), (4, 446804553), (6, 297869702), (12, 148934851), (13, 137478324), (26, 68739162), (39, 45826108), (52, 34369581), (78, 22913054), (156, 11456527), (997, 1792596), (1994, 896298), (2991, 597532), (3988, 448149), (5982, 298766), (11491, 155532), (11964, 149383), (12961, 137892), (22982, 77766), (25922, 68946), (34473, 51844), (38883, 45964)]