161749312

素因数分解:

$2^6\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:563

約数の個数: 56

約数和(自身を含む): 329869800

約数和(自身を除く): 168120488

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 89, 146, 178, 292, 356, 389, 584, 712, 778, 1168, 1424, 1556, 2336, 2848, 3112, 4672, 5696, 6224, 6497, 12448, 12994, 24896, 25988, 28397, 34621, 51976, 56794, 69242, 103952, 113588, 138484, 207904, 227176, 276968, 415808, 454352, 553936, 908704, 1107872, 1817408, 2215744, 2527333, 5054666, 10109332, 20218664, 40437328, 80874656, 161749312]

約数ペア:

[(1, 161749312), (2, 80874656), (4, 40437328), (8, 20218664), (16, 10109332), (32, 5054666), (64, 2527333), (73, 2215744), (89, 1817408), (146, 1107872), (178, 908704), (292, 553936), (356, 454352), (389, 415808), (584, 276968), (712, 227176), (778, 207904), (1168, 138484), (1424, 113588), (1556, 103952), (2336, 69242), (2848, 56794), (3112, 51976), (4672, 34621), (5696, 28397), (6224, 25988), (6497, 24896), (12448, 12994)]