1298698624

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2389}}^1$

素因数の和:2571

約数の個数: 64

約数和(自身を含む): 2691331200

約数和(自身を除く): 1392632576

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 137, 248, 274, 496, 548, 992, 1096, 1984, 2192, 2389, 3968, 4247, 4384, 4778, 8494, 8768, 9556, 16988, 17536, 19112, 33976, 38224, 67952, 74059, 76448, 135904, 148118, 152896, 271808, 296236, 305792, 327293, 543616, 592472, 654586, 1184944, 1309172, 2369888, 2618344, 4739776, 5236688, 9479552, 10146083, 10473376, 20292166, 20946752, 40584332, 41893504, 81168664, 162337328, 324674656, 649349312, 1298698624]

約数ペア:

[(1, 1298698624), (2, 649349312), (4, 324674656), (8, 162337328), (16, 81168664), (31, 41893504), (32, 40584332), (62, 20946752), (64, 20292166), (124, 10473376), (128, 10146083), (137, 9479552), (248, 5236688), (274, 4739776), (496, 2618344), (548, 2369888), (992, 1309172), (1096, 1184944), (1984, 654586), (2192, 592472), (2389, 543616), (3968, 327293), (4247, 305792), (4384, 296236), (4778, 271808), (8494, 152896), (8768, 148118), (9556, 135904), (16988, 76448), (17536, 74059), (19112, 67952), (33976, 38224)]