16221023728

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{20593}}^1$

素因数の和:21162

約数の個数: 80

約数和(自身を含む): 38754283456

約数和(自身を除く): 22533259728

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 541, 728, 1082, 1456, 2164, 3787, 4328, 7033, 7574, 8656, 14066, 15148, 20593, 28132, 30296, 41186, 49231, 56264, 60592, 82372, 98462, 112528, 144151, 164744, 196924, 267709, 288302, 329488, 393848, 535418, 576604, 787696, 1070836, 1153208, 1873963, 2141672, 2306416, 3747926, 4283344, 7495852, 11140813, 14991704, 22281626, 29983408, 44563252, 77985691, 89126504, 144830569, 155971382, 178253008, 289661138, 311942764, 579322276, 623885528, 1013813983, 1158644552, 1247771056, 2027627966, 2317289104, 4055255932, 8110511864, 16221023728]

約数ペア:

[(1, 16221023728), (2, 8110511864), (4, 4055255932), (7, 2317289104), (8, 2027627966), (13, 1247771056), (14, 1158644552), (16, 1013813983), (26, 623885528), (28, 579322276), (52, 311942764), (56, 289661138), (91, 178253008), (104, 155971382), (112, 144830569), (182, 89126504), (208, 77985691), (364, 44563252), (541, 29983408), (728, 22281626), (1082, 14991704), (1456, 11140813), (2164, 7495852), (3787, 4283344), (4328, 3747926), (7033, 2306416), (7574, 2141672), (8656, 1873963), (14066, 1153208), (15148, 1070836), (20593, 787696), (28132, 576604), (30296, 535418), (41186, 393848), (49231, 329488), (56264, 288302), (60592, 267709), (82372, 196924), (98462, 164744), (112528, 144151)]