291511072

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{4243}}^1$

素因数の和:4385

約数の個数: 48

約数和(自身を含む): 609608160

約数和(自身を除く): 318097088

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 113, 152, 226, 304, 452, 608, 904, 1808, 2147, 3616, 4243, 4294, 8486, 8588, 16972, 17176, 33944, 34352, 67888, 68704, 80617, 135776, 161234, 322468, 479459, 644936, 958918, 1289872, 1917836, 2579744, 3835672, 7671344, 9109721, 15342688, 18219442, 36438884, 72877768, 145755536, 291511072]

約数ペア:

[(1, 291511072), (2, 145755536), (4, 72877768), (8, 36438884), (16, 18219442), (19, 15342688), (32, 9109721), (38, 7671344), (76, 3835672), (113, 2579744), (152, 1917836), (226, 1289872), (304, 958918), (452, 644936), (608, 479459), (904, 322468), (1808, 161234), (2147, 135776), (3616, 80617), (4243, 68704), (4294, 67888), (8486, 34352), (8588, 33944), (16972, 17176)]