128730368

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1$

素因数の和:899

約数の個数: 72

約数和(自身を含む): 282955008

約数和(自身を除く): 154224640

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 64, 94, 104, 128, 188, 208, 256, 376, 416, 611, 752, 823, 832, 1222, 1504, 1646, 1664, 2444, 3008, 3292, 3328, 4888, 6016, 6584, 9776, 10699, 12032, 13168, 19552, 21398, 26336, 38681, 39104, 42796, 52672, 77362, 78208, 85592, 105344, 154724, 156416, 171184, 210688, 309448, 342368, 502853, 618896, 684736, 1005706, 1237792, 1369472, 2011412, 2475584, 2738944, 4022824, 4951168, 8045648, 9902336, 16091296, 32182592, 64365184, 128730368]

約数ペア:

[(1, 128730368), (2, 64365184), (4, 32182592), (8, 16091296), (13, 9902336), (16, 8045648), (26, 4951168), (32, 4022824), (47, 2738944), (52, 2475584), (64, 2011412), (94, 1369472), (104, 1237792), (128, 1005706), (188, 684736), (208, 618896), (256, 502853), (376, 342368), (416, 309448), (611, 210688), (752, 171184), (823, 156416), (832, 154724), (1222, 105344), (1504, 85592), (1646, 78208), (1664, 77362), (2444, 52672), (3008, 42796), (3292, 39104), (3328, 38681), (4888, 26336), (6016, 21398), (6584, 19552), (9776, 13168), (10699, 12032)]