257732748

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{11239}}^1$

素因数の和:11276

約数の個数: 108

約数和(自身を含む): 816226320

約数和(自身を除く): 558493572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 182, 196, 234, 252, 273, 294, 364, 441, 468, 546, 588, 637, 819, 882, 1092, 1274, 1638, 1764, 1911, 2548, 3276, 3822, 5733, 7644, 11239, 11466, 22478, 22932, 33717, 44956, 67434, 78673, 101151, 134868, 146107, 157346, 202302, 236019, 292214, 314692, 404604, 438321, 472038, 550711, 584428, 708057, 876642, 944076, 1022749, 1101422, 1314963, 1416114, 1652133, 1753284, 2045498, 2202844, 2629926, 2832228, 3068247, 3304266, 4090996, 4956399, 5259852, 6136494, 6608532, 7159243, 9204741, 9912798, 12272988, 14318486, 18409482, 19825596, 21477729, 28636972, 36818964, 42955458, 64433187, 85910916, 128866374, 257732748]

約数ペア:

[(1, 257732748), (2, 128866374), (3, 85910916), (4, 64433187), (6, 42955458), (7, 36818964), (9, 28636972), (12, 21477729), (13, 19825596), (14, 18409482), (18, 14318486), (21, 12272988), (26, 9912798), (28, 9204741), (36, 7159243), (39, 6608532), (42, 6136494), (49, 5259852), (52, 4956399), (63, 4090996), (78, 3304266), (84, 3068247), (91, 2832228), (98, 2629926), (117, 2202844), (126, 2045498), (147, 1753284), (156, 1652133), (182, 1416114), (196, 1314963), (234, 1101422), (252, 1022749), (273, 944076), (294, 876642), (364, 708057), (441, 584428), (468, 550711), (546, 472038), (588, 438321), (637, 404604), (819, 314692), (882, 292214), (1092, 236019), (1274, 202302), (1638, 157346), (1764, 146107), (1911, 134868), (2548, 101151), (3276, 78673), (3822, 67434), (5733, 44956), (7644, 33717), (11239, 22932), (11466, 22478)]