287471028

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{229}}^1\times {\mathrm{619}}^1$

素因数の和:881

約数の個数: 72

約数和(自身を含む): 730682400

約数和(自身を除く): 443211372

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 229, 338, 458, 507, 619, 676, 687, 916, 1014, 1238, 1374, 1857, 2028, 2476, 2748, 2977, 3714, 5954, 7428, 8047, 8931, 11908, 16094, 17862, 24141, 32188, 35724, 38701, 48282, 77402, 96564, 104611, 116103, 141751, 154804, 209222, 232206, 283502, 313833, 418444, 425253, 464412, 567004, 627666, 850506, 1255332, 1701012, 1842763, 3685526, 5528289, 7371052, 11056578, 22113156, 23955919, 47911838, 71867757, 95823676, 143735514, 287471028]

約数ペア:

[(1, 287471028), (2, 143735514), (3, 95823676), (4, 71867757), (6, 47911838), (12, 23955919), (13, 22113156), (26, 11056578), (39, 7371052), (52, 5528289), (78, 3685526), (156, 1842763), (169, 1701012), (229, 1255332), (338, 850506), (458, 627666), (507, 567004), (619, 464412), (676, 425253), (687, 418444), (916, 313833), (1014, 283502), (1238, 232206), (1374, 209222), (1857, 154804), (2028, 141751), (2476, 116103), (2748, 104611), (2977, 96564), (3714, 77402), (5954, 48282), (7428, 38701), (8047, 35724), (8931, 32188), (11908, 24141), (16094, 17862)]