8400128

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 19377120

約数和(自身を除く): 10976992

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 128, 152, 157, 176, 209, 256, 304, 314, 352, 418, 608, 628, 704, 836, 1216, 1256, 1408, 1672, 1727, 2432, 2512, 2816, 2983, 3344, 3454, 4864, 5024, 5966, 6688, 6908, 10048, 11932, 13376, 13816, 20096, 23864, 26752, 27632, 32813, 40192, 47728, 53504, 55264, 65626, 95456, 110528, 131252, 190912, 221056, 262504, 381824, 442112, 525008, 763648, 1050016, 2100032, 4200064, 8400128]

約数ペア:

[(1, 8400128), (2, 4200064), (4, 2100032), (8, 1050016), (11, 763648), (16, 525008), (19, 442112), (22, 381824), (32, 262504), (38, 221056), (44, 190912), (64, 131252), (76, 110528), (88, 95456), (128, 65626), (152, 55264), (157, 53504), (176, 47728), (209, 40192), (256, 32813), (304, 27632), (314, 26752), (352, 23864), (418, 20096), (608, 13816), (628, 13376), (704, 11932), (836, 10048), (1216, 6908), (1256, 6688), (1408, 5966), (1672, 5024), (1727, 4864), (2432, 3454), (2512, 3344), (2816, 2983)]