78613668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1987}}^1$

素因数の和:2161

約数の個数: 72

約数和(自身を含む): 228667712

約数和(自身を除く): 150054044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 471, 628, 942, 1099, 1413, 1884, 1987, 2198, 2826, 3297, 3974, 4396, 5652, 5961, 6594, 7948, 9891, 11922, 13188, 13909, 17883, 19782, 23844, 27818, 35766, 39564, 41727, 55636, 71532, 83454, 125181, 166908, 250362, 311959, 500724, 623918, 935877, 1247836, 1871754, 2183713, 2807631, 3743508, 4367426, 5615262, 6551139, 8734852, 11230524, 13102278, 19653417, 26204556, 39306834, 78613668]

約数ペア:

[(1, 78613668), (2, 39306834), (3, 26204556), (4, 19653417), (6, 13102278), (7, 11230524), (9, 8734852), (12, 6551139), (14, 5615262), (18, 4367426), (21, 3743508), (28, 2807631), (36, 2183713), (42, 1871754), (63, 1247836), (84, 935877), (126, 623918), (157, 500724), (252, 311959), (314, 250362), (471, 166908), (628, 125181), (942, 83454), (1099, 71532), (1413, 55636), (1884, 41727), (1987, 39564), (2198, 35766), (2826, 27818), (3297, 23844), (3974, 19782), (4396, 17883), (5652, 13909), (5961, 13188), (6594, 11922), (7948, 9891)]