401138768

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 837910656

約数和(自身を除く): 436771888

約数列:

[1, 2, 4, 8, 16, 23, 46, 53, 92, 106, 131, 157, 184, 212, 262, 314, 368, 424, 524, 628, 848, 1048, 1219, 1256, 2096, 2438, 2512, 3013, 3611, 4876, 6026, 6943, 7222, 8321, 9752, 12052, 13886, 14444, 16642, 19504, 20567, 24104, 27772, 28888, 33284, 41134, 48208, 55544, 57776, 66568, 82268, 111088, 133136, 159689, 164536, 191383, 319378, 329072, 382766, 473041, 638756, 765532, 946082, 1090051, 1277512, 1531064, 1892164, 2180102, 2555024, 3062128, 3784328, 4360204, 7568656, 8720408, 17440816, 25071173, 50142346, 100284692, 200569384, 401138768]

約数ペア:

[(1, 401138768), (2, 200569384), (4, 100284692), (8, 50142346), (16, 25071173), (23, 17440816), (46, 8720408), (53, 7568656), (92, 4360204), (106, 3784328), (131, 3062128), (157, 2555024), (184, 2180102), (212, 1892164), (262, 1531064), (314, 1277512), (368, 1090051), (424, 946082), (524, 765532), (628, 638756), (848, 473041), (1048, 382766), (1219, 329072), (1256, 319378), (2096, 191383), (2438, 164536), (2512, 159689), (3013, 133136), (3611, 111088), (4876, 82268), (6026, 66568), (6943, 57776), (7222, 55544), (8321, 48208), (9752, 41134), (12052, 33284), (13886, 28888), (14444, 27772), (16642, 24104), (19504, 20567)]