66781568

素因数分解:

$2^7\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1021}}^1$

素因数の和:1115

約数の個数: 64

約数和(自身を含む): 154281120

約数和(自身を除く): 87499552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 146, 224, 292, 448, 511, 584, 896, 1021, 1022, 1168, 2042, 2044, 2336, 4084, 4088, 4672, 7147, 8168, 8176, 9344, 14294, 16336, 16352, 28588, 32672, 32704, 57176, 65344, 65408, 74533, 114352, 130688, 149066, 228704, 298132, 457408, 521731, 596264, 914816, 1043462, 1192528, 2086924, 2385056, 4173848, 4770112, 8347696, 9540224, 16695392, 33390784, 66781568]

約数ペア:

[(1, 66781568), (2, 33390784), (4, 16695392), (7, 9540224), (8, 8347696), (14, 4770112), (16, 4173848), (28, 2385056), (32, 2086924), (56, 1192528), (64, 1043462), (73, 914816), (112, 596264), (128, 521731), (146, 457408), (224, 298132), (292, 228704), (448, 149066), (511, 130688), (584, 114352), (896, 74533), (1021, 65408), (1022, 65344), (1168, 57176), (2042, 32704), (2044, 32672), (2336, 28588), (4084, 16352), (4088, 16336), (4672, 14294), (7147, 9344), (8168, 8176)]