128628136

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:663

約数の個数: 96

約数和(自身を含む): 309687840

約数和(自身を除く): 181059704

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 49, 52, 56, 86, 91, 98, 104, 172, 182, 196, 301, 344, 364, 392, 559, 587, 602, 637, 728, 1118, 1174, 1204, 1274, 2107, 2236, 2348, 2408, 2548, 3913, 4109, 4214, 4472, 4696, 5096, 7631, 7826, 8218, 8428, 15262, 15652, 16436, 16856, 25241, 27391, 28763, 30524, 31304, 32872, 50482, 53417, 54782, 57526, 61048, 100964, 106834, 109564, 115052, 176687, 201928, 213668, 219128, 230104, 328133, 353374, 373919, 427336, 656266, 706748, 747838, 1236809, 1312532, 1413496, 1495676, 2296931, 2473618, 2625064, 2991352, 4593862, 4947236, 9187724, 9894472, 16078517, 18375448, 32157034, 64314068, 128628136]

約数ペア:

[(1, 128628136), (2, 64314068), (4, 32157034), (7, 18375448), (8, 16078517), (13, 9894472), (14, 9187724), (26, 4947236), (28, 4593862), (43, 2991352), (49, 2625064), (52, 2473618), (56, 2296931), (86, 1495676), (91, 1413496), (98, 1312532), (104, 1236809), (172, 747838), (182, 706748), (196, 656266), (301, 427336), (344, 373919), (364, 353374), (392, 328133), (559, 230104), (587, 219128), (602, 213668), (637, 201928), (728, 176687), (1118, 115052), (1174, 109564), (1204, 106834), (1274, 100964), (2107, 61048), (2236, 57526), (2348, 54782), (2408, 53417), (2548, 50482), (3913, 32872), (4109, 31304), (4214, 30524), (4472, 28763), (4696, 27391), (5096, 25241), (7631, 16856), (7826, 16436), (8218, 15652), (8428, 15262)]