198700912

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{1249}}^1$

素因数の和:1481

約数の個数: 40

約数和(自身を含む): 394010000

約数和(自身を除く): 195309088

約数列:

[1, 2, 4, 8, 16, 61, 122, 163, 244, 326, 488, 652, 976, 1249, 1304, 2498, 2608, 4996, 9943, 9992, 19886, 19984, 39772, 76189, 79544, 152378, 159088, 203587, 304756, 407174, 609512, 814348, 1219024, 1628696, 3257392, 12418807, 24837614, 49675228, 99350456, 198700912]

約数ペア:

[(1, 198700912), (2, 99350456), (4, 49675228), (8, 24837614), (16, 12418807), (61, 3257392), (122, 1628696), (163, 1219024), (244, 814348), (326, 609512), (488, 407174), (652, 304756), (976, 203587), (1249, 159088), (1304, 152378), (2498, 79544), (2608, 76189), (4996, 39772), (9943, 19984), (9992, 19886)]