268791328

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1097}}^1$

素因数の和:1170

約数の個数: 96

約数和(自身を含む): 619799040

約数和(自身を除く): 351007712

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 416, 494, 496, 589, 608, 806, 988, 992, 1097, 1178, 1612, 1976, 2194, 2356, 3224, 3952, 4388, 4712, 6448, 7657, 7904, 8776, 9424, 12896, 14261, 15314, 17552, 18848, 20843, 28522, 30628, 34007, 35104, 41686, 57044, 61256, 68014, 83372, 114088, 122512, 136028, 166744, 228176, 245024, 270959, 272056, 333488, 442091, 456352, 541918, 544112, 646133, 666976, 884182, 1083836, 1088224, 1292266, 1768364, 2167672, 2584532, 3536728, 4335344, 5169064, 7073456, 8399729, 8670688, 10338128, 14146912, 16799458, 20676256, 33598916, 67197832, 134395664, 268791328]

約数ペア:

[(1, 268791328), (2, 134395664), (4, 67197832), (8, 33598916), (13, 20676256), (16, 16799458), (19, 14146912), (26, 10338128), (31, 8670688), (32, 8399729), (38, 7073456), (52, 5169064), (62, 4335344), (76, 3536728), (104, 2584532), (124, 2167672), (152, 1768364), (208, 1292266), (247, 1088224), (248, 1083836), (304, 884182), (403, 666976), (416, 646133), (494, 544112), (496, 541918), (589, 456352), (608, 442091), (806, 333488), (988, 272056), (992, 270959), (1097, 245024), (1178, 228176), (1612, 166744), (1976, 136028), (2194, 122512), (2356, 114088), (3224, 83372), (3952, 68014), (4388, 61256), (4712, 57044), (6448, 41686), (7657, 35104), (7904, 34007), (8776, 30628), (9424, 28522), (12896, 20843), (14261, 18848), (15314, 17552)]