1277141888

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1741}}^1$

素因数の和:2287

約数の個数: 64

約数和(自身を含む): 2782531440

約数和(自身を除く): 1505389552

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 521, 704, 1042, 1408, 1741, 2084, 3482, 4168, 5731, 6964, 8336, 11462, 13928, 16672, 19151, 22924, 27856, 33344, 38302, 45848, 55712, 66688, 76604, 91696, 111424, 153208, 183392, 222848, 306416, 366784, 612832, 733568, 907061, 1225664, 1814122, 2451328, 3628244, 7256488, 9977671, 14512976, 19955342, 29025952, 39910684, 58051904, 79821368, 116103808, 159642736, 319285472, 638570944, 1277141888]

約数ペア:

[(1, 1277141888), (2, 638570944), (4, 319285472), (8, 159642736), (11, 116103808), (16, 79821368), (22, 58051904), (32, 39910684), (44, 29025952), (64, 19955342), (88, 14512976), (128, 9977671), (176, 7256488), (352, 3628244), (521, 2451328), (704, 1814122), (1042, 1225664), (1408, 907061), (1741, 733568), (2084, 612832), (3482, 366784), (4168, 306416), (5731, 222848), (6964, 183392), (8336, 153208), (11462, 111424), (13928, 91696), (16672, 76604), (19151, 66688), (22924, 55712), (27856, 45848), (33344, 38302)]