208707156

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{5081}}^1$

素因数の和:5261

約数の個数: 72

約数和(自身を含む): 606750144

約数和(自身を除く): 398042988

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 163, 252, 326, 489, 652, 978, 1141, 1467, 1956, 2282, 2934, 3423, 4564, 5081, 5868, 6846, 10162, 10269, 13692, 15243, 20324, 20538, 30486, 35567, 41076, 45729, 60972, 71134, 91458, 106701, 142268, 182916, 213402, 320103, 426804, 640206, 828203, 1280412, 1656406, 2484609, 3312812, 4969218, 5797421, 7453827, 9938436, 11594842, 14907654, 17392263, 23189684, 29815308, 34784526, 52176789, 69569052, 104353578, 208707156]

約数ペア:

[(1, 208707156), (2, 104353578), (3, 69569052), (4, 52176789), (6, 34784526), (7, 29815308), (9, 23189684), (12, 17392263), (14, 14907654), (18, 11594842), (21, 9938436), (28, 7453827), (36, 5797421), (42, 4969218), (63, 3312812), (84, 2484609), (126, 1656406), (163, 1280412), (252, 828203), (326, 640206), (489, 426804), (652, 320103), (978, 213402), (1141, 182916), (1467, 142268), (1956, 106701), (2282, 91458), (2934, 71134), (3423, 60972), (4564, 45729), (5081, 41076), (5868, 35567), (6846, 30486), (10162, 20538), (10269, 20324), (13692, 15243)]