988407316

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 1926828960

約数和(自身を除く): 938421644

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 139, 157, 169, 268, 278, 314, 338, 556, 628, 676, 871, 1742, 1807, 2041, 3484, 3614, 4082, 7228, 8164, 9313, 10519, 11323, 18626, 21038, 21823, 22646, 23491, 26533, 37252, 42076, 43646, 45292, 46982, 53066, 87292, 93964, 106132, 121069, 136747, 242138, 273494, 283699, 484276, 546988, 567398, 1134796, 1462141, 1573897, 1777711, 2924282, 3147794, 3555422, 3688087, 5848564, 6295588, 7110844, 7376174, 14752348, 19007833, 38015666, 76031332, 247101829, 494203658, 988407316]

約数ペア:

[(1, 988407316), (2, 494203658), (4, 247101829), (13, 76031332), (26, 38015666), (52, 19007833), (67, 14752348), (134, 7376174), (139, 7110844), (157, 6295588), (169, 5848564), (268, 3688087), (278, 3555422), (314, 3147794), (338, 2924282), (556, 1777711), (628, 1573897), (676, 1462141), (871, 1134796), (1742, 567398), (1807, 546988), (2041, 484276), (3484, 283699), (3614, 273494), (4082, 242138), (7228, 136747), (8164, 121069), (9313, 106132), (10519, 93964), (11323, 87292), (18626, 53066), (21038, 46982), (21823, 45292), (22646, 43646), (23491, 42076), (26533, 37252)]