78171904

素因数分解:

$2^8\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 163356480

約数和(自身を除く): 85184576

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 73, 89, 94, 128, 146, 178, 188, 256, 292, 356, 376, 584, 712, 752, 1168, 1424, 1504, 2336, 2848, 3008, 3431, 4183, 4672, 5696, 6016, 6497, 6862, 8366, 9344, 11392, 12032, 12994, 13724, 16732, 18688, 22784, 25988, 27448, 33464, 51976, 54896, 66928, 103952, 109792, 133856, 207904, 219584, 267712, 305359, 415808, 439168, 535424, 610718, 831616, 878336, 1070848, 1221436, 1663232, 2442872, 4885744, 9771488, 19542976, 39085952, 78171904]

約数ペア:

[(1, 78171904), (2, 39085952), (4, 19542976), (8, 9771488), (16, 4885744), (32, 2442872), (47, 1663232), (64, 1221436), (73, 1070848), (89, 878336), (94, 831616), (128, 610718), (146, 535424), (178, 439168), (188, 415808), (256, 305359), (292, 267712), (356, 219584), (376, 207904), (584, 133856), (712, 109792), (752, 103952), (1168, 66928), (1424, 54896), (1504, 51976), (2336, 33464), (2848, 27448), (3008, 25988), (3431, 22784), (4183, 18688), (4672, 16732), (5696, 13724), (6016, 12994), (6497, 12032), (6862, 11392), (8366, 9344)]